(a)
Except as otherwise provided in subdivision (b), any person owning or operating a solid waste landfill, as defined in Section 40195.1, shall, with the closure plan and postclosure maintenance plan submitted pursuant to subdivision (b) of Section 43501, submit to the board evidence of financial ability to provide for the cost of closure and postclosure maintenance, in an amount that is equal to the estimated cost of closure and 15 years of postclosure maintenance, contained in the closure plan and the postclosure maintenance plan submitted.
(b)
On and after the effective date of the federal regulations set forth in Subpart G (commencing with Section 258.70) of Part 258 of Title 40 of the Code of Federal Regulations, any person owning or operating a solid waste landfill, shall, with the closure plan and postclosure maintenance plan submitted pursuant to subdivision (b) of Section 43501, submit to the board evidence of financial ability to provide for closure and postclosure maintenance, in an amount that is equal to the estimated cost of closure and 30 years of postclosure maintenance, contained in the closure plan and the postclosure maintenance plan submitted.