Mo. Code Regs. tit. 12 § 10-3.884Download PDFCurrent through Register Vol. 49, No. 21, November 1, 2024.Section 12 CSR 10-3.884 - Basic Steelmaking Exemption-Sales Tax(Rescinded March 30, 2011)12 CSR 10-3.884 AUTHORITY: section 144.270, RSMo 1994. Original rule filed Nov. 15, 1990, effective June 10, 1991. Rescinded: Filed Oct. 7, 2010, effective March 30, 2011.