MO HB246

Establishes the "Missouri Supporting Families Income Tax Holiday Act" effective for tax years beginning January 1, 2014 and beyond.

Requires the Department of Revenue to review withholding tax collections to determine which month historically has the lowest collection amount.

Exempts all state employees from withholding taxes during the historically lowest-collection month, while maintaining all other required withholdings and deductions.

Authorizes the Department of Revenue to promulgate rules under Chapter 536 to implement the act.

Automatically sunsets the program on December 31 six years after enactment unless reauthorized by the General Assembly, with subsequent reauthorization lasting an additional six years.