41 C.F.R. § 105-71.111
(c) Assurances. In each plan the State will include an assurance that the State shall comply with all applicable Federal statutes and regulations in effect with respect to the periods for which it receives grant funding. For this assurance and other assurances required in the plan, the State may:
(d) Amendments. A State will amend a plan whenever necessary to reflect:
(2) A material change in any State law, organization, policy, or State agency operation.
The State will obtain approval for the amendment and its effective date but need submit for approval only the amended portions of the plan.