Title VI, SEC. 6125. EMPLOYER COLLECTION SHORTFALL ADD-ON. (a) In General. The amount payable by an employer under this subpart shall be increased by the amount computed under subsection (b). (b) Amount. The amount under this subsection for an employer is equal to the premium payment amount that would be computed under section 6121(b)(2) if the per capita collection shortfall amount (computed under section 6107(b)(1)) for the year were substituted for the reduced weighted average accepted bid for the year. (c) Discount Not Applicable. Section 6123 shall not apply to the increase in the amount payable by virtue of this section.