ARSD 20:54:22:05
Where different sizes of pipes or pipes and fittings are to be connected, the increasers and reducers or reducing fittings shall be used between the two sizes.
Source: SL 1975, ch 16, § 1; 12 SDR 91, effective December 2, 1985; 12 SDR 151, 12 SDR 155, effective July 1, 1986.
General Authority: SDCL 36-25-14 , 36-25-15.
Law Implemented: SDCL 36-25-15.