Colorado § 39-1-120 - Filing - when deemed to have been made.

Full text of Colorado Colorado Revised Statutes § 39-1-120 — Filing - when deemed to have been made., with citation guidance and answers to common questions.

§ 39-1-120. Filing - when deemed to have been made.

(1) (a) Any report, schedule, claim, tax return, statement, or other document required or authorized under articles 1 to 9 of this title to be filed with or any payment made to the state of Colorado or any political subdivision thereof which is transmitted through the United States mail shall be deemed filed with and received by the public officer or agency to which it was addressed on the date shown by the cancellation mark stamped on the envelope or other wrapper containing the document required to be filed.

(b) Any such document which is mailed, but not received by the public officer or agency to which it was addressed, or is received and the cancellation mark is not legible, or is erroneous or omitted, shall be deemed to have been filed and received on the date it was mailed if the sender establishes by competent evidence that the document was deposited in the United States mail on or before the date due for filing. In such cases of nonreceipt of a document by the public officer or agency to which it was addressed, the sender shall file a duplicate copy thereof within thirty days after written notification is given to the sender by such public officer of the failure to receive such document.

(2) If any report, schedule, claim, tax return, statement, remittance, or other document is sent by United States registered mail, certified mail, or certificate of mailing, a record authenticated by the United States postal service of such registration, certification, or certificate shall be considered competent evidence that the report, schedule, claim, tax return, statement, remittance, or other document was mailed to the public officer or agency to which it was addressed, and the date of the registration, certification, or certificate shall be deemed to be the postmark date.

(3) If the date for filing any report, schedule, claim, tax return, statement, remittance, or other document falls upon a Saturday, Sunday, or legal holiday, it shall be deemed to have been timely filed if filed on the next business day.

Source: L. 77: Entire section added, p. 1404, § 2, effective July 1. L. 79: (1)(a) amended, p. 1420, § 1, effective January 1, 1980.

ANNOTATION

Under the provisions of subsection (1)(a), abatement and refund petitions transmitted by mail are deemed "filed" on the date of mailing for the purposes of the filing deadline set forth in § 39-10-114 (1)(a)(I)(A). Leprino v. Huddleston, 902 P.2d 962 (Colo. App. 1995).

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

Frequently Asked Questions About Colorado § 39-1-120

What does Colorado Revised Statutes § 39-1-120 cover?

Section 39-1-120 ("Filing - when deemed to have been made.") 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 § 39-1-120?

A common citation format is "Colorado Revised Statutes § 39-1-120" (Colorado). Legal writing may require the code abbreviation, section number, and year or edition. Match the style required by your court, professor, or publisher.

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 § 39-1-120 apply to my situation?

Statutes are interpreted in context, and application depends on your specific facts. Only a licensed attorney in Colorado can advise on how this section applies to you. Contact your state or local bar association for a referral.

Sources & Verification

Not legal advice. Verify against the official source and consult a licensed attorney in Colorado.