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: � 80-14-13. L. 2000: Entire section amended, p. 161, � 2, effective March 17.