30 Tex. Admin. Code § 330.15
For those federally mandated requirements and the equivalent state requirements, the effective dates listed in 40 Code of Federal Regulations Parts 257 and 258, as amended, shall apply. For those federally mandated requirements, the permittee is under an obligation to apply for a change to his permit in accordance with §305.62 of this title (relating to Amendment) or §305.70 of this title (relating to Municipal Solid Waste Class I Modifications), as applicable, to incorporate the required standard. The application shall be submitted no later than six months from the effective date of the required standard.
Source Note:The provisions of this §330.15 adopted to be effective October 20, 1993, 18 TexReg 6839.