The provisions of this act relating to the control of by-product, source and special nuclear materials shall become effective on the effective date of the agreement between the federal government and this state as authorized in RCW 70A.388.110. All other provisions of this act shall become effective on the 30th day of June, 1961.
[ 2020 c 20 § 1269; 1961 c 207 § 23. Formerly RCW 70.98.910.]