No bonds shall be issued under this chapter until the Marketing Authority has determined as provided in section 22-64 that such regional market or markets, when constructed, will produce in reasonable rentals and other charges an amount sufficient to retire the principal and interest of such bonds and the cost of maintenance of the regional market or markets and the collection of rentals and other charges thereon.
(1949 Rev., S. 3109; September, 1957, P.A. 11, S. 39.)