(a) In a sale of a unit where delivery of a public offering statement is required under AS 34.08.520(c), a seller before conveying a unit shall record and furnish to the purchaser a release of each lien, except a lien on real estate that a declarant has the right to withdraw from the common interest community, that the purchaser does not expressly agree to take subject to or assume and that encumbers

1. (1) in a condominium, the unit and its common element interest; or
2. (2) in a cooperative or planned community, the unit and any limited common elements assigned to the unit.

(b) Before conveying real estate to the association, the declarant shall have the real estate released from

1. (1) each lien the foreclosure of which would deprive unit owners of a right of access to or easement of support of their units; and
2. (2) each other lien on the real estate unless the public offering statement describes certain real estate that may be conveyed subject to liens in specified amounts.