§ 4219.32 Interest on overdue, defaulted and overpaid withdrawal liability.

(a) Interest assessed. The plan sponsor of a multiemployer plan—

(1) Shall assess interest on overdue withdrawal liability payments from the due date, as defined in paragraph (d) of this section, until the date paid, as defined in paragraph (e); and

(2) In the event of a default, may assess interest on any accelerated portion of the outstanding withdrawal liability from the due date, as defined in paragraph (d) of this section, until the date paid, as defined in paragraph (e).