; (2) of consolidation, merger, dissolution, conversion (including conversion to a stock bank or to another charter), conservatorship, and receivership; and (3) determined by regulation of the Comptroller. (e) Existing branches A covered savings association may continue to operate any branch or agency the covered savings association operated on the date on which an election under subsection (b) is approved. (f) Rulemaking The Comptroller shall issue rules to carry out this section— (1) that establish streamlined standards and procedures that clearly identify required documentation or timelines for an election under subsection (b); (2) that require a Federal savings association that makes an election under subsection (b) to identify specific assets and subsidiaries— (A) that do not conform to the requirements for assets and subsidiaries of a national bank; and (B) that are held by the Federal savings association on the date on which the Federal savings association submits a notice of such election; (3) that establish— (A) a transition process for bringing such assets and subsidiaries into conformance with the requirements for a national bank; and (B) procedures for allowing the Federal savings association to provide a justification for grandfathering such assets and subsidiaries after electing to operate as a covered savings association; (4) that establish standards and procedures to allow a covered savings association to terminate an election under subsection (b) after an appropriate period of time or to make a subsequent election; (5) that clarify requirements for the treatment of covered savings associations, including the provisions of law that apply to covered savings associations; and (6) as the Comptroller deems necessary and in the interests of safety and soundness. .