The Secretary shall make that transfer.???.(b) RAILROAD RETIREMENT TRUST FUND- Section 15 of the Railroad Retirement Act of 1974, as amended by subsection (a), is further amended by adding after subsection (k) the following:???(l) RAILROAD RETIREMENT TRUST FUND- The Railroad Retirement Trust shall from time to time transfer to the disbursing agent described in section 7(b)(4) such amounts as may b