Pursuant to the authority granted under section
1273
(a) of this Appendix, the Administrator, upon such terms as he shall prescribe, may guarantee or make a commitment to guarantee, payment of the principal of and interest on an obligation which aids in financing, including reimbursement of an obligor for expenditures previously made for, construction, reconstruction, or reconditioning of a commercial demonstration ocean thermal energy conversion facility or plantship. Guarantees or commitments to guarantee under this subsection shall be subject to all the provisos, requirements, regulations, and procedures which apply to guarantees or commitments to guarantee made pursuant to section
1274
(a)(1) of this Appendix, except that—