Title I, SEC. 1601. PAYMENT REQUIREMENT. (a) In General. Each employer shall provide for payments required under section 6121 or 6131 in accordance with the applicable provisions of this Act. (b) Employers in Single-Payer States. In the case of an employer with respect to employees who reside in a single-payer State, the responsibilities of such employer under such system shall supersede the obligations of the employer under subsection (a), except as the Board may provide.