Colorado § 24-51-505 - Purchase of service credit relating to noncovered time.

Full text of Colorado Colorado Revised Statutes § 24-51-505 — Purchase of service credit relating to noncovered time., with citation guidance and answers to common questions.

§ 24-51-505. Purchase of service credit relating to noncovered time.

(1) [Editor's note: This version of subsection (1) is effective until January 1, 2027.] Service credit may be purchased for any period of previous employment with any public or private employer in the United States, its territories, or any foreign country subject to the following conditions:

(a) If the service credit to be purchased is for noncovered employment with an employer affiliated with the association, the member must have one year of earned service credit with the association at the time of the purchase. If the service credit to be purchased is for previous employment with a nonaffiliated employer, the member must have one year of earned service credit with the association at the time of the purchase; except that, if the previous employment for which the service credit is to be purchased is nonqualified service, as defined in section 415 (n)(3)(C) of the federal "Internal Revenue Code of 1986", as amended, and the member first became a member of the association on or after January 1, 1999, the member must have five years of earned service credit with the association at the time of the purchase.

(b) The member must provide documentation of the dates of employment and a record of salary received.

(c) The member must provide certification from any retirement program covering such employment that the service credit to be purchased has not vested with that program, except to the extent otherwise required by federal law.

(1) [Editor's note: This version of subsection (1) is effective January 1, 2027.] A member may purchase service credit for noncovered time subject to the following conditions:

(a) A member may purchase service credit for qualified service if the member:

(I) Has at least one year of earned service credit with the association at the time of the purchase; and

(II) Provides the association with documentation of the dates of employment and a record of salary received.

(a.3) A member who became a member of the association before January 1, 1999, may purchase service credit for nonqualified service if the member has at least one year of earned service credit with the association at the time of the purchase.

(a.5) A member who became a member of the association on or after January 1, 1999, may purchase service credit for nonqualified service if the member has at least five years of earned service credit with the association at the time of the purchase.

(a.7) A member may not purchase service credit for noncovered time during which the member was not employed and was under twenty-one years old. A member may purchase service credit for noncovered time during which the member was employed and was under twenty-one years old if the member provides the association with documentation of the dates of employment and a record of salary received.

(b) (Deleted by amendment, L. 2026.)

(c) A member must provide certification from any retirement program covering the member's employment that the service credit to be purchased does not cause a member to receive a retirement benefit for the same service under more than one plan, except to the extent otherwise required by federal law.

(2) [Editor's note: This version of subsection (2) is effective until January 1, 2027.]

(a) Except as otherwise provided in paragraph (b) of this subsection (2), one year of service credit may be purchased for each year of noncovered employment determined pursuant to the provisions of section 24-51-501 (2) to (4) applicable to earned service credit.

(b) Members who first became members on or after January 1, 1999, may purchase no more than five years of service credit for noncovered employment that is nonqualified service, as defined in section 415 (n)(3)(C) of the federal "Internal Revenue Code of 1986", as amended.

(c) Members who initiate a purchase on or after November 1, 2003, may not purchase service credit that would cause the total years of noncovered service purchased during their membership to exceed ten years. This limit shall not apply to members who provide all required documentation of previous service to the association by October 31, 2003, together with application to purchase the service if the purchase is successfully completed pursuant to the service credit purchase agreement resulting from said application.

(d) (I) Except as provided in subsection (2)(d)(II) of this section, members employed by a public entity affiliated with the association pursuant to section 24-51-309 may purchase service credit for years employed by the entity without limit, if the purchase is completed before the member terminates employment with the entity, and any such purchase for years employed by the entity in excess of ten years is completed or installment payments initiated within three years after the date the employer affiliates with the association or November 1, 2006, whichever is later.

(II) A member employed by a Denver school of science and technology charter school that is affiliated with the association pursuant to section 24-51-309 may purchase service credit for years employed by the charter school without limit if the purchase is completed before the member terminates employment with the charter school and any such purchase for years employed by the charter school in excess of ten years is completed or installment payments are initiated within three years after July 1, 2026.

(2) [Editor's note: This version of subsection (2) is effective January 1, 2027.]

(a) Except as otherwise provided in this subsection (2), one year of service credit may be purchased for each year of noncovered time. Any service credit purchased for noncovered time during which a member was employed must be determined pursuant to the provisions of section 24-51-501 (2) to (4) applicable to earned service credit.

(b) A member who became a member on or after January 1, 1999, may purchase no more than five years of service credit for noncovered time that is nonqualified service.

(c) A member who initiates a purchase on or after November 1, 2003, may not purchase service credit that would cause the total years of noncovered time purchased during their membership to exceed ten years. This limit shall not apply to a member who provided all required documentation of previous service to the association by October 31, 2003, together with application to purchase the service if the purchase is successfully completed pursuant to the service credit purchase agreement resulting from the application.

(d) (I) Except as provided in subsection (2)(d)(II) of this section, a member employed by a public entity affiliated with the association pursuant to section 24-51-309 may purchase service credit for years employed by the entity without limit, if the purchase is completed before the member terminates employment with the entity, and any such purchase for years employed by the entity in excess of ten years is completed or installment payments initiated within three years after the date the employer affiliates with the association or November 1, 2006, whichever is later, unless otherwise restricted under federal law.

(II) A member employed by a Denver school of science and technology charter school that is affiliated with the association pursuant to section 24-51-309 may purchase service credit for years employed by the charter school without limit if the purchase is completed before the member terminates employment with the charter school and any such purchase for years employed by the charter school in excess of ten years is completed or installment payments are initiated within three years after July 1, 2026.

(3) [Editor's note: This version of subsection (3) is effective until January 1, 2027.] The cost to purchase service credit for noncovered employment shall be determined by the board and shall be sufficient to pay the actuarial liability associated with the purchase.

(3) [Editor's note: This version of subsection (3) is effective January 1, 2027.] The cost to purchase service credit for noncovered time shall be determined by the board and shall be sufficient to pay the actuarial liability associated with the purchase.

(4) (Deleted by amendment, L. 95, p. 263, § 5, effective July 1, 1995.)

(5) Repealed.

(6) [Editor's note: This version of subsection (6) is effective until January 1, 2027.] Service credit purchased pursuant to the provisions of this section for periods of nonmembership shall not be credited toward the earned service credit requirement for disability retirement benefits as provided for in part 7 of this article or the earned service credit requirement for survivor benefit coverage as provided for in part 9 of this article.

(6) [Editor's note: This version of subsection (6) is effective January 1, 2027.] Service credit purchased pursuant to the provisions of this section for periods of noncovered time must not be credited toward the earned service credit requirement for disability retirement benefits or short-term disability program payments as provided for in part 7 of this article 51 or toward the earned service credit requirement for survivor benefit coverage as provided for in part 9 of this article 51.

(7) [Editor's note: This version of subsection (7) is effective until January 1, 2027.] A portion of the amount paid by a member to purchase service credit related to noncovered employment shall be transferred to the health care trust fund on the effective date of the member's retirement or, in case of death prior to retirement, on the effective date of the survivor benefit. The amount transferred shall be one and two one-hundredths percent of the member's highest average salary at the time of the purchase, with interest at the rate specified in section 24-51-101 (28)(a).

(7) [Editor's note: This version of subsection (7) is effective January 1, 2027.] A portion of the amount paid by a member to purchase service credit related to noncovered time must be allocated to the applicable health care trust fund. The amount allocated to the applicable health care trust fund must be the same percentage of the member's salary paid by the employer contribution specified in section 24-51-208 (1)(f) or (1)(f.5), determined using the member's highest average salary at the time of the purchase. Any refund pursuant to section 24-51-506 (3) or (4) will be paid from the member's applicable division trust fund and will not be paid from the health care trust fund.

Source: L. 87: Entire article R&RE, p. 1057, § 1, effective July 1. L. 89: (1) R&RE and (2) and (3) amended, p. 1072, §§ 1, 2, effective April 19. L. 92: (4) and (5) amended, p. 1108, § 1, effective May 14; (4) amended and (5) repealed, p. 1134, §§ 2, 3, effective July 1. L. 95: (1)(b), (1)(c), (2), and (4) amended, p. 263, § 5, effective July 1. L. 97: (1)(b) amended, p. 65, § 7, effective July 1. L. 99: (1)(a) amended, p. 6, § 1 , effective February 19. L. 2003: IP(1) amended and (2)(c), (2)(d), and (7) added, p. 2608, §§ 4, 5, effective November 1. L. 2006: (3) and (7) amended, p. 1181, § 12, effective May 25. L. 2026: (2)(d) amended, (SB 26-151), ch. 187, p. 1099, § 3, effective July 1; (1), (2), (3), (6), and (7) amended, (HB 26-1026), ch. 263, p. 1457, § 4, effective January 1, 2027.

Editor's note: (1) This section is similar to former §§ 24-51-1202 and 24-51-1203 as they existed prior to 1987. For a detailed comparison, see the comparative tables located in the back of the index.

(2) Amendments to subsections (4) and (5) by House Bill 92-1205 and House Bill 92-1335 were harmonized.

(3) Amendments to subsection (2)(d) by SB 26-151 and HB 26-1026 were harmonized.

Source: official Colorado text · Last verified 2026-08-27

Frequently Asked Questions About Colorado § 24-51-505

What does Colorado Revised Statutes § 24-51-505 cover?

Section 24-51-505 ("Purchase of service credit relating to noncovered time.") is part of the Colorado Revised Statutes, the codified statutory law of Colorado. It sets out the legal rule or procedure described in the text above. Statutes are amended regularly, so always verify against the official source.

How do I cite Colorado § 24-51-505?

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Is this the official text of Colorado law?

No. This page is for research and education and may not include the most recent amendments. For official current law, check the Colorado official source linked on this page or consult a licensed Colorado attorney.

How does Colorado § 24-51-505 apply to my situation?

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Sources & Verification

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