Act amending Act No. 19 / 1997 Coll., on certain measures related to the prohibition of chemical weapons and amending and supplementing Act No. 50 / 1976 Coll., on Territorial Planning and Construction Regulations (Construction Act), as amended, Act No. 455 / 1991 Coll., on Business Enterprise (Trade Code), as amended, and Act No. 140 / 1961 Coll., Criminal Act, as amended, as amended