Mo. Rev. Stat. § 135.235
To the extent that expenses incurred by a new business facility in an enterprise zone for the training of persons employed in the operation of the new business facility is not covered by an existing federal, state or local program, such new business facility shall be eligible for a full tax credit equal to eighty percent of that portion of such training expenses which are in excess of four hundred dollars for each trainee who is a resident of the enterprise zone or who was at the time of such employment at the new business facility unemployable or difficult to employ as defined in section 135.240, provided such credit shall not exceed four hundred dollars for each employee trained. In the case of a small corporation described in section 143.471 or a partnership, all credits allowed by this section shall be apportioned in proportion to the share of ownership of the business to the following:
§ 135.235, RSMo