12 C.F.R. § 229.20
(a) In general. Any provision of a law or regulation of any state in effect on or before September 1, 1989, that requires funds deposited in an account at a bank chartered by the state to be made available for withdrawal in a shorter time than the time provided in subpart B, and, in connection therewith, subpart A, shall—
(2) Apply to all federally insured banks located within the state.
No amendment to a state law or regulation governing the availability of funds that becomes effective after September 1, 1989, shall supersede the EFA Act and subpart B, and, in connection therewith, subpart A, but unamended provisions of state law shall remain in effect.
(c) Standards for preemption. A provision of a state law in effect on or before September 2, 1989, is not inconsistent with the EFA Act, or subpart B, or in connection therewith, subpart A, if it requires that funds shall be available in a shorter period of time than the time provided in this subpart. Inconsistency with the EFA Act and subpart B, and in connection therewith, subpart A, may exist when state law—
(e) Procedures for preemption determinations. A request for a preemption determination shall include the following—
(2) A comparison of the provisions of state law with the corresponding provisions in the EFA Act and subparts A and B of this part, together with a discussion of the reasons why specific provisions of state law are either consistent or inconsistent with corresponding sections of the EFA Act and subparts A and B of this part.
A request for a preemption determination shall be addressed to the Secretary, Board of Governors of the Federal Reserve System.
[53 FR 19433, May 27, 1988, as amended at 69 FR 47311, Aug. 4, 2004]