55 Pa. Code § 178.77
The proceeds from the sale of an excluded resident home which are used, or obligated, to purchase another excluded home and to pay the costs incidental to occupying the new residence are excluded. Incidental costs include, but are not limited to, moving expenses.
(5) The purchase of the new excluded home shall be made within 3 months. The 3 month replacement period begins on one of the following schedules:
This section cited in 55 Pa. Code § 178.91 (relating to deeming of resources); 55 Pa. Code § 178.121 (relating to general); 55 Pa. Code § 178.122 (relating to determining the spousal share of resources if the institutionalized spouse is not applying for MA); and 55 Pa. Code § 178.123 (relating to determining the spousal share of resources at the same time the institutionalized spouse applies for MA).