(f) State plan requirements. (1)(i) The State plan must specify that, except to the extent precluded in § 435.602, in determining financial eligibility of individuals, the agency will apply the cash assistance financial methodologies and requirements, unless the agency chooses the option described in paragraph (f)(1)(ii)(B) of this section, or chooses to apply less restrictive income and resource methodologies in accordance with paragraph (d) of this section, or both.