The committee shall, before June 30 of each year or from time to time within the year, as appropriate, commencing with the year in which the bonds are issued, certify to the commissioners of revenue and environmental conservation the amounts required in the current fiscal year and the next ensuing fiscal year by the bond resolution or resolutions to be paid out of the Alaska clean water fund or the Alaska drinking water fund into the appropriate bond redemption fund and to be paid into and maintained in any reserve fund or account or other fund or account created by the bond resolution or resolutions, and shall also certify to the commissioners the last date or dates upon which payments may be made.