20 C.F.R. § 416.1260
(a) General. In the case of any individual (or individual and spouse, as the case may be) who for the month of December 1973 was a recipient of aid or assistance under a State plan approved under title I, X, XIV, or XVI, of the Act (see § 416.121), the resources of such individual (or individual and spouse, as the case may be) shall be deemed not to exceed the amount specified in § 416.1205 during any period that the resources of such individual (or individual and spouse, as the case may be) do not exceed the maximum amount of resources specified in such State plan as in effect in October 1972, provided that such individual:
(b) For purposes of this section, an individual will cease to reside continuously in a State if he leaves the State with the present intention to abandon his home there. In the absence of evidence to the contrary,
[41 FR 47424, Oct. 29, 1976, as amended at 52 FR 29841, Aug. 12, 1987]