Actuarial Standard of Practice No. 1

Introductory Actuarial Standard of Practice



March 2013

TO:  Members of Actuarial Organizations Governed by the Standards of Practice of the Actuarial Standards Board and Other Persons Interested in the Introductory Actuarial Standard of Practice

FROM:  Actuarial Standards Board (ASB)

SUBJ:  Actuarial Standard of Practice No. 1

This document contains the final version of a revision of the Introduction to ASOPs, now titled ASOP No. 1, Introductory Actuarial Standard of Practice.


This Introductory ASOP is a revision of the Introduction to the Actuarial Standards of Practice. The Introduction was adopted in 2004 to replace a Preface to the standards that was adopted in 1989. The Introduction was intended to offer actuaries guidance on the ASB’s operations, the content and format of standards, and the ASB’s intent with respect to certain terms that appear frequently in the text of the standards themselves.

The Introduction was updated in October 2008 to make clear that the ASB, in promulgating ASOPs, seeks to define an appropriate level of practice (rather than simply codifying current practices), to remove references to “prescribed statements of actuarial opinion” in light of revisions made to the Qualification Standards for Actuaries Issuing Statements of Actuarial Opinion in the United States and to conform the provisions on deviations from the ASOPs to the deviation provisions of ASOP No. 41, Actuarial Communications, in accordance with the ASB’s project to standardize the “deviation” provisions in all ASOPs. The ASB received a number of comments on the Introduction at the time of this 2008 revision and concluded that further review would be appropriate. The revision is a result of that review.

In addition, to reinforce that the Introductory ASOP contains guidance, it has been numbered as ASOP No. 1. The previous ASOP No. 1, Nonguaranteed Charges or Benefits for Life Insurance Policies and Annuity Contracts, has been renumbered as ASOP No. 2. The previous ASOP No. 2, Recommendations for Actuarial Communications Related to Statements of Financial Accounting Standards Nos. 87 and 88, was repealed in March 2011. The sole reference to ASOP No. 1, which appears in ASOP No. 24, Compliance with the NAIC Life Insurance Illustrations Model Regulation, has been updated to reflect this change.

Exposure Draft

The exposure draft of this ASOP was approved for exposure in December 2011 with a comment deadline of May 31, 2012. Thirteen comment letters were received and considered in making clarifications that were reflected in this final ASOP. For a summary of the issues contained in these comment letters, please see appendix 2. In general, the suggestions helped improve the clarity of the standard but did not result in substantive changes to the standard.

Key Changes

Many comments were received with respect to the terms “must,” “should,” and “should consider.” Some commentators objected to the concept that failure to comply with a “should” statement constitutes a deviation from the guidance in the ASOP and hence triggers disclosures. These commentators indicated that failure to follow a “should” statement had not previously been understood to be a deviation requiring disclosure, so that ASOPs were in effect being retroactively changed. Other commentators indicated the distinction between the two terms “must” and “should” was not clear.

To assist in reviewing these and other comments, the General Committee analyzed the use of the terms “should,” “should consider,” and “must” in the various ASOPs. The General Committee concluded that the use of these terms in this ASOP No. 1 would not retroactively change the intended meaning of the terms as used in the various ASOPs, and so the Introductory ASOP reaffirms that a failure to follow a “should” statement constitutes a deviation from the guidance.

In order to better contrast and clarify the meaning of “must” vs. “should,” the definitions have been combined into a single “must/should” discussion that defines each term and highlights the distinction between the terms.

The General Committee concluded that a definition of “should consider” is not needed. The terms “must” and “should” are generally followed by an action (for example, “disclose” or “document”). When the term “should consider” is used, the action required to be performed (or to be disclosed as a deviation if not performed) is to consider something. Thus, there is no need to separately define “should consider.” The revised ASOP makes clear that if the actuary considers something the ASOP indicates he or she should consider, but determines that the item being considered is inappropriate or impractical, the actuary has complied with the guidance and there is no deviation to be disclosed.

The final version of this Introductory ASOP contains several other clarifications, but none are considered substantial. Notable changes are the addition of a definition of “deviation” and clarifying changes to the definitions of a number of other items, largely as a result of comments received.

The ASB thanks everyone who took the time to contribute comments and suggestions on the exposure draft.

The ASB voted in March 2013 to adopt this standard.

General Committee of the ASB

Michael S. Abroe, Chairperson

Maria M. Sarli, Vice-Chairperson

                     Albert J. Beer                                                     Martin M. Simons

                     Paul Braithwaite                                                Barbara L. Snyder

                     Raymond Brouillette                                          Thomas D. Snook

                     Mary Simmons                                                    James E. Turpin


Actuarial Standards Board

Robert G. Meilander, Chairperson

                      Beth E. Fitzgerald                                               Thomas D. Levy

                      Alan D. Ford                                                        Patricia E. Matson

                      Patrick J. Grannan                                               James J. Murphy

                      Stephen G. Kellison                                            James F. Verlautz

The ASB establishes and improves standards of actuarial practice. These ASOPs identify what the actuary should consider, document, and disclose when performing an actuarial assignment. The ASB’s goal is to set standards for appropriate practice for the U.S.

Section 1. Overview

The Actuarial Standards Board (ASB) promulgates actuarial standards of practice (ASOPs) for use by actuaries when rendering actuarial services in the United States. The ASB is vested by the U.S.-based actuarial organizations¹ with the responsibility for promulgating ASOPs for actuaries rendering actuarial services   in  the  United  States.  Each  of  these  organizations  requires  its members, through its Code of Professional Conduc (Code), to satisfy applicable ASOPs when rendering actuarial services in the United States.

This Introductory ASOP sets forth principles that have been broadly applicable to the work of the ASB since its inception, and carries the same weight and authority as other ASOPs. Any Actuarial Compliance Guidelines promulgated or republished by the ASB that have not been repealed or superseded carry the same weight as ASOPs.

The ASB establishes and improves standards of actuarial practice. These ASOPs identify what the actuary should consider, document, and disclose when performing an actuarial assignment. The ASB’s goal is to set standards for appropriate practice for the U.S. The ASB promulgates ASOPs through a notice and comment process described in the ASB Procedures Manual. The ASB has exclusive authority in the United States to determine whether an ASOP is needed in a particular actuarial practice area, to promulgate ASOPs, and to amend or repeal ASOPs. The ASB is the final authority for determining the content of ASOPs.

ASOPs are binding on members of the U.S.-based actuarial organizations when rendering actuarial  services   in  the  U.S.  While  these  ASOPs  are  binding,  they  are  not  the  only considerations that affect an actuary’s work. Other considerations may include legal and regulatory requirements, professional requirements promulgated by employers or actuarial organizations, evolving actuarial practice, and the actuary’s own professional judgment informed by the nature of the engagement. The ASOPs provide a basic framework that is intended to accommodate these additional considerations.

This introductory standard is effective for all actuarial services performed on or after June 1, 2013.

Section 2. Definitions, Discussions, and Related Guidance

Each ASOP includes a list of definitions of certain terms used within it. With the exception of this Introductory ASOP, those terms are defined only for use in that particular ASOP, and the definitions can and do differ among ASOPs, reflecting different uses of language in various segments of the profession. Definitions and discussions included in this Introductory ASOP are intended to apply to all other ASOPs if the term is used in such ASOPs, unless the ASOP includes a specific definition of the term.

ASOPs frequently use terms that, while not defined within them, are integral to an informed reading of the ASOPs. Where terms are not defined or discussed within the ASOPs, the actuary is expected to interpret a term in a straight-forward manner, consistent with the common usage of the term. If an actuary has any questions about the meaning of a specific term, the actuary should consult the Actuarial Board for Counseling and Discipline (ABCD) for guidance.

Following are some common terms used in the ASOPs:

2.1 Terms of Construction

a. Must/Should—The words “must” and “should” are used to provide guidance in the ASOPs. “Must” as used in the ASOPs means that the ASB does not anticipate that the actuary will have any reasonable alternative but to follow a particular course of action. In contrast, the word “should” indicates what is normally the appropriate practice for an actuary to follow when rendering actuarial services. Situations may arise where the actuary applies professional judgment and concludes that complying with this practice would be inappropriate, given the nature and purpose of the assignment and the principal’s needs, or that under the circumstances it would not be reasonable or practical to follow the practice.

Failure to follow a course of action denoted by either the term “must” or “should” constitutes a deviation from the guidance of the ASOP. In either event, the actuary is directed to ASOP No. 41, Actuarial Communications.

The terms “must” and “should” are generally followed by a verb or phrase denoting action(s), such as “disclose,” “document,” “consider,” or “take into account.” For example, the phrase “should consider” is often used to suggest potential courses of action. If, after consideration, in the actuary’s professional judgment an action is not appropriate, the action is not required and failure to take this action is not a deviation from the guidance in the standard.

b. May— “May” as used in the ASOPs means that the course of action described is one that would be considered reasonable and appropriate in many circumstances. “May” in ASOPs is often used when providing examples (for example, factors the actuary may consider; methods that may be appropriate). It is not intended to indicate that a course of action is reasonable and appropriate in all circumstances, nor to imply that alternative courses of action are impermissible.

2.2 Actuarial Services

Professional services provided to a principal by an individual acting in the capacity of an actuary. Such services include the rendering of advice, recommendations, findings, or opinions based on actuarial considerations.

2.3 Actuarial Soundness

The phrase “actuarial soundness” has different meanings in different contexts and might be dictated or imposed by an outside entity. In rendering actuarial services, if the actuary identifies the process or result as “actuarially sound,” the actuary should define the meaning of “actuarially sound” in that context.

2.4 Deviation

The act of departing from the guidance of an ASOP.

2.5 Known

ASOPs frequently refer to circumstances, factors, practices of the principal, or other items that are known to the actuary. In many cases, the actuary must rely upon the principal and others acting on the principal’s behalf to supply relevant information. Unless an ASOP clearly indicates otherwise, “known” means that the actuary had actual knowledge of the item in question at the time the actuary rendered actuarial services.

2.6 Materiality

Materiality” is a consideration in many aspects of the actuary’s work. An item or a combination of related items is material if its omission or misstatement could influence a decision of an intended user. When evaluating materiality, the actuary should consider the purposes of the actuary’s work and how the actuary anticipates it will be used by intended users. The actuary should evaluate materiality of the various aspects of the task using professional judgment and any applicable law (statutes, regulations, and other legally binding authority), standard, or guideline. In some circumstances, materiality will be determined by an external user, such as an auditor, based on information not known to the actuary. The guidance in ASOPs need not be applied to immaterial items.

2.7 Practical or Practicable

ASOPs frequently call upon actuaries to undertake certain inquiries, perform certain analytical tests, or make disclosures if it is “practical” or “practicable” to do so. These terms are intended to suggest that all possible steps need not always be taken to complete an assignment. A professional assignment frequently requires the actuary to adopt a course of action that is likely to yield an appropriate result without being unnecessarily time-consuming, elaborate, or costly relative to the principal’s needs. Thus, it is appropriate for the actuary, exercising professional judgment, to decide that the circumstances surrounding a particular assignment are such that it would not be necessary to undertake a particular task. (Note: ASOPs commonly use “practical” and “practicable” interchangeably.)

2.8 Principal

A client or employer of the actuary.

2.9 Professional Judgment

Actuaries bring to their assignments not only highly specialized training, but also the broader knowledge and understanding that come from experience. For example, the ASOPs frequently call upon actuaries to apply both training and experience to their professional assignments, recognizing that reasonable differences may arise when actuaries project the effect of uncertain events.

2.10 Reasonable

In many instances, the ASOPs call for the actuary to take “reasonable” steps, make “reasonable” inquiries, select “reasonable”assumptions or methods, or otherwise exercise professional judgment to produce a “reasonable” result when rendering actuarial services. The intent is to call upon the actuary to exercise the level of care and diligence that, in the actuary’s professional judgment, is necessary to complete the assignment in an appropriate manner.

Because actuarial practice commonly involves the estimation of uncertain events, there will often be a range of reasonable methods and assumptions, and two actuaries could follow a particular ASOP, both using reasonable methods and assumptions, and reach different but reasonable results.

2.11 Reliance

Actuaries frequently rely upon others for information and professional judgments that are pertinent to an assignment. Similarly, actuaries often rely upon others to perform some component of an actuarial analysis. Accordingly, some ASOPs permit the actuary to rely in good faith upon such individuals, subject to appropriate disclosure of such reliance, if required by applicable ASOPs (for example, ASOP Nos. 23, Data Quality, and 41).

2.12 Significance/Significant

Significance can have different meanings. A result may be deemed to be statistically significant if it is determined that the probability that the result was produced by random chance is small. An event may be described as significant if the likelihood of its occurrence is more than remote. In addition, a result may be significant because it is of consequence. Other uses may be encountered in actuarial practice. The actuary should exercise care in interpreting or using these words.

Section 3. Purpose and Format of Actuarial Standards of Practice

3.1 The Purpose of ASOPs

ASOPs identify what should be considered, done, documented, and disclosed when rendering actuarial services.


The ASB promulgates standards for appropriate actuarial practice. In the course of developing or revising an ASOP, the ASB seeks the input of the actuarial profession and other interested parties. This process of exposure is intended to seek input on the effect that the proposed ASOP would have on the level of practice.


The ASOPs are not intended to shift the burden of proof or the burden of production during litigation, and deviation from one or more provisions of an ASOP should not, in and of itself, be presumed to be malpractice. ASOPs are intended for use by actuaries who are qualified to make use of them by virtue of having the necessary education and experience to understand and apply them (see Precept 2, Qualification Standards, of the Code). Other individuals should consider obtaining the advice of a qualified actuary before making use of, or otherwise relying upon, ASOPs.


The ASOPs are intended to provide guidance for dealing with commonly encountered situations. Actuaries in professional practice may also have to handle new or non-routine situations not anticipated by the ASOPs. In all situations, the actuary should exercise professional judgment in rendering actuarial services.


The ASOPs are principles-based and do not attempt to dictate every step and decision in an actuarial assignment. Generally, ASOPs are not narrowly prescriptive and neither dictate a single approach nor mandate a particular outcome. Rather, ASOPs provide the actuary with an analytical framework for exercising professional judgment, and identify factors that the actuary typically should consider when rendering a particular type of actuarial service. The ASOPs allow for the actuary to use professional judgment when selecting methods and assumptions, conducting an analysis, and reaching a conclusion, and recognize that actuaries can reasonably reach different conclusions when faced with the same facts.


There are situations where applicable law (statutes, regulations, and other legally binding authority) may require the actuary to deviate from the guidance of an ASOP. Where requirements of law conflict with the guidance of an ASOP, the requirements of law shall govern. The ASOPs provide guidance on this and other situations where the actuary deviates from the guidance of an ASOP. (see section 4.5).


Unlike the ASOPs, which are binding upon actuaries, other actuarial literature provides information that an actuary may choose, but is not required, to consider when rendering actuarial services. For example, practice notes published by the Academy describe various methods actuaries may use, but do not establish standards of practice and are not binding upon actuaries. Similarly, research papers, learned treatises, study notes, actuarial textbooks, journal articles, and presentations at actuarial meetings can be informative, keeping the actuary abreast of developments as actuarial science evolves, but do not establish binding requirements upon the actuary.


Each ASOP has a specified effective date. Prior to that date, exposure drafts of the ASOP, and the ASOP itself from the date of its publication to its effective date, form part of the literature of the actuarial profession; actuaries may look to them at their discretion for advisory guidance. An ASOP is not binding until the effective date of the ASOP. Unless specified otherwise, in the case of a revision to an existing ASOP, the existing ASOP is binding until the effective date of the revised ASOP.

3.2 The Format of ASOPs

Each ASOP document includes (1) a transmittal memorandum, (2) the ASOP itself, and (3) one or more supporting appendices.³   The transmittal memorandum and the appendices are not part of the ASOP and are nonbinding, but may be useful to the actuary in interpreting the standard.

Section 4. Compliance with ASOPs


ASOPs are binding upon actuaries. Failure to comply with an applicable ASOP results in a breach of the Code. Such breaches subject the actuary to the profession’s counseling and discipline processes.


Actuaries should take a good faith approach in complying with ASOPs, exercising good judgment and professional integrity. It is not appropriate for users of ASOPs to make a strained interpretation of the provisions of an ASOP.


Actuaries should comply with those ASOPs that are applicable to the task at hand. However, not all ASOPs will apply. An ASOP should not be interpreted as having applicability beyond its stated scope and purpose. Actuaries are responsible for determining which ASOPs apply to the task at hand. If no ASOPs specific to the task are applicable, the actuary may, but is not required to, consider the guidance in related ASOPs. Most, but not all, ASOPs are task-specific, dealing with particular kinds of actuarial services. A few ASOPs, however, deal more broadly with particular aspects of many types of actuarial services (such as ASOP Nos. 23 and 41, and this Introductory ASOP).


When an actuary believes that multiple ASOPs have conflicting provisions when applied to a specific situation and none provide explicit guidance concerning which governs, the actuary should apply professional judgment and may wish to contact the ABCD for confidential guidance on appropriate practice.


The ASOPs make specific provision for those situations where the actuary is required to or deems it appropriate to deviate from one or more provisions of an ASOP. It is not a breach of an ASOP to deviate from one or more of its provisions if the actuary does so in the manner described in the ASOP, including making the disclosures related to the deviation as required in such ASOP and in ASOP No. 41.

Appendix 1

Background and Additional Information

Note: This appendix is provided for informational purposes, but is not part of the standard of practice and is nonbinding.

Clarification of Language

As the ASB revises ASOPs, it strives to improve clarity and consistency in language. For example, the 2010 update to ASOP No. 41, Actuarial Communications, included changes in definitions to be more consistent with those found in the Code of Professional Conduct (Code) and in the recently revised Qualification Standards, and also incorporated language to help create consistency in the treatment ofdeviation language within all ASOPs. Similarly, in this Introductory ASOP, a number of definitions and discussions of terms used in many of the ASOPs have been added and, where the terms added also appear in the Code, they have been made consistent. In addition, an effort has been made to replace undefined terms or phrases with phrases that include terms that are defined, discussed, or used in the Code.

Role and Scope of ASOPs

The Introductory ASOP has been revised to clarify the role and scope of ASOPs. While ASOPs are binding on actuaries rendering actuarial services in the U.S., the Introductory ASOP now more directly acknowledges that actuaries are subject to a range of requirements and considerations that may  affect how they do their work. These include legal and regulatory requirements, their employer’s peer review or other quality assurance processes and policies, continuing education requirements, the Code, and the actuary’s own professional and ethical standards. Because the ASOPs are not overly prescriptive and allow for disclosed deviations, the ASOP framework is designed to accommodate the actuary’s judgment in providing high-quality actuarial services and acting with integrity. The Academy’s Council on Professionalism publishes advisory Applicability Guidelines to assist actuaries in identifying the ASOPs that may be relevant.

Development of ASOPs

Proposals for developing new ASOPs and revising existing ones come from a variety of sources, such as individual actuaries, actuarial firms, professional committees, the ABCD, the ASB committees, and the ASB itself. If it accepts a proposal, the ASB assigns it to the appropriate committee or task force to begin the project.

The process of developing a new ASOP or revising an existing ASOP usually begins with the identification of practices that the ASB believes are appropriate to the proper performance of a particular type of actuarial service. After reviewing the current range of practices, the ASB determines whether it is appropriate under the circumstances to develop a new or revise an existing ASOP to reflect emerging issues in actuarial practice, recent advancements in actuarial science, or for other reasons.

Organization of ASOPs

The ASB strives to organize all ASOPs in a similar fashion to the extent feasible. The ASOP document includes a transmittal memorandum, the ASOP itself, and appendices. The transmittal memorandum provides brief background information and a description of the key issues related to the development or revision of the ASOP. The appendices (1) provide additional background and historical issues, (2) describe current or alternative practices, and (3) summarize the major issues raised in the exposure process and their disposition by the drafting committee. Additional appendices may also contain supporting documents, bibliographies, or illustrative examples.

Each ASOP contains four sections. Except for this Introductory ASOP, the sections are organized as follows:

  • The first section summarizes the scope, cross references, and effective date of the ASOP.
  • The second section defines or discusses certain terms used within the ASOP.
  • The third section provides an analysis of issues and recommended practices.
  • The fourth section addresses communications and disclosures.

The scope identifies the intended application of the ASOP to the work of the actuary. In some instances, the actuary serves as an advisor to a principal and does not actually make decisions or take actions on the principal’s behalf. In those instances, the ASOP may indicate in its scope to what extent the ASOP addresses the actuary’s role in advising the principal . However, the ASOPs are not intended to make the actuary responsible if the principal acts contrary to the actuary’s advice.

The Analysis of Issues and Recommended Practices section is organized into major topics or issues, or major tasks involved in rendering actuarial services within the ASOP’s scope. Emphasis is placed on providing the actuary with an appropriate analytical framework for completing an assignment that is within the scope of the ASOP.

Communications or disclosures pertinent to the subject of the ASOP and applicable limitations are identified in the Communications and Disclosures section and in ASOP No. 41. Where appropriate, reference may be made to applicable provisions of the Code. This section also includes a description of what an actuary should do when, in the actuary’s professional judgment, adeviation from the guidance in the ASOP is deemed to be appropriate.

Appendix 2

Comments on the Exposure Draft and Responses

The exposure draft of the Introductory ASOP was issued in December 2011 with a comment deadline of May 31, 2012. Thirteen comment letters were received, some of which were submitted on behalf of multiple commentators, such as by firms or committees. For purposes of this appendix, the term “commentator” may refer to more than one person associated with a particular comment letter. The General Committee of the Actuarial Standards Board carefully considered all comments received, and the ASB reviewed (and modified, where appropriate) the changes proposed by the General Committee.

Click here to view Appendix 2 in its entirety.

1. The American Academy of Actuaries (Academy), the American Society of Pension Professionals and Actuaries, the Casualty Actuarial Society, the Conference of Consulting Actuaries, and the Society of Actuaries.

2. These organizations adopted the Code of Professional Conduct effective January 1, 2001.

3. With respect to how the ASOP document is organized, the current ASOP format differs from that of some earlier ASOPs, but all ASOP documents contain similar content, as described in the appendix 1 to this Introductory ASOP.

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