Missouri Laws > § 143.143 Missouri Laws 143.143 – Provisions of sections 143.131 and 143.141 effective, when Current as of: 2023 | Check for updates | Other versions The provisions of sections 143.131 to 143.143 shall apply with respect to all taxable years beginning after December 31, 1976. Previous sectionNext section Chapter 143 Contents Ask a question, get an answer ASAP!