Every person required to receive a memorandum under the provisions of this article shall carefully preserve the same for a period of at least twelve months.
Source: L. 17: p. 402, § 3. C.L. § 3378. CSA: C. 110, § 270. CRS 53: § 92-31-3. C.R.S. 1963: § 92-31-3. L. 84: Entire section amended, p. 933, § 1, effective February 23.