Nothing in this article shall be construed to mandate overtime for employees in and about cement manufacturing plants and plaster manufacturing plants unless otherwise negotiated by contract.
Source: L. 27: p. 288, § 2. CSA: C. 97, § 115. CRS 53: § 80-7-16. C.R.S. 1963: § 8014-13. L. 2000: Entire section amended, p. 161, § 2, effective March 17.