(4) The law pertaining to excess benefits prohibited under section
3345.311 of the Revised Code with respect to an agreement between an employee organization and a public employer entered into on or after the effective date of this amendment .
Except for sections 306.08, 306.12, 306.35, and 4981.22 of the Revised Code and arrangements entered into thereunder, and section 4981.21 of the Revised Code as necessary to comply with section 13(c) of the "Urban Mass Transportation Act of 1964," 87 Stat. 295, 49 U.S.C.A. 1609(c), as amended, and arrangements entered into thereunder, this chapter prevails over any and all other conflicting laws, resolutions, provisions, present or future, except as otherwise specified in this chapter or as otherwise specified by the general assembly. Nothing in this section prohibits or shall be construed to invalidate the provisions of an agreement establishing supplemental workers' compensation or unemployment compensation benefits or exceeding minimum requirements contained in the Revised Code pertaining to public education or the minimum standards promulgated by the state board of education pursuant to division (D) of section 3301.07 of the Revised Code.