Sec. 5.01. Each party state, except the host state, shall contribute a total of $25 million to the host state. Payments shall be deposited in the host state treasury to the credit of the low-level waste fund in the following manner except as otherwise provided. Not later than the 60th day after the date of congressional ratification of this compact, each nonhost party state shall pay to the host state $12.5 million. Not later than the 60th day after the date of the opening of the compact facility, each nonhost party state shall pay to the host state an additional $12.5 million.