13 CFR §123.804

1. (a)For Disaster-Related Activities, compliance with State or Local Requirements shall not be required to the extent that such State or Local Requirement creates the condition identified by § 123.803.
2. (b)Compliance with this subpart and other applicable federal requirements, including the certification under § 123.805, shall be deemed sufficient authorization to proceed with Disaster-Related Activities and the borrower, contractor, subcontractor, or agent of such borrower may proceed with such Disaster-Related Activities without obtaining or complying with the preempted State or Local Requirement.
3. (c)State and local governments may not enforce stop-work orders, penalties, or enforcement actions against a borrower of an SBA Disaster Loan or any contractor, subcontractor, or agent of such borrower based on failing to meet a preempted State or Local Requirement.