Colo. Rev. Stat. § 39-22-111 – Accounting periods and methods.

(1) The taxpayer's taxable year under this article shall be the same as his taxable year for federal income tax purposes.
(2) If a taxpayer's taxable year is changed for federal income tax purposes, his taxable year for purposes of this article shall be similarly changed.
(3) The taxpayer's method of accounting under this article shall be the same as his method of accounting for federal income tax purposes.
(4) If a taxpayer's method of accounting is changed for federal income tax purposes, his method of accounting for purposes of this article shall be similarly changed.

Source: L. 87: Entire part R&RE, p. 1432, § 2, effective June 22.

Editor's note: This section is similar to former § 39-22-107 as it existed prior to 1987.