(b) The deed to the purchaser shall be executed, acknowledged and delivered as in other real estate sales by the sheriff. Deeds for property exposedforany sale underthis section shall not be executed, acknowledged and delivered any soonerthan thirty days nor later than one hundredand twenty days after the purchaser pays the balance due to the sherjfffor any sale held under thissection. Any person interested may at any time prior to the proposed sale pay all the costs of the proceedings, including the cost for the title search or title insurance policy, and all tax and municipal claims, penalties and interest thereon, charged against the property whereupon the proceedings on petition shall at once determine.

(b.1) A city of the first class may, within thirty days of any sale held under this section, petition the court of common pleas to prohibit the transfer of any deedfor any property exposed for any sale under this act which is located in that city to any purchaser who is proven to meetany of the criteria set forth in subsection (b.2). (b.2)

(1) The petition of a city of the first class shall allege that the purchaser has over the three years preceding the filing of the petition exhibited a course of conduct which demonstrates that a purchaser permitted an uncorrected housing code violation to continue-unabated-aftar being convicted ofsuch violation and: (i) failed to maintain property owned by the purchaser in a reasonable manner such that it posed a threat to health, safety orproperty; or

(ii) permitted the use of property in an unsafe, illegal or unsanitary manner such that it posed a threat to health, safety or property.

(2) A person who acts as an agentfora purchaser who sought to avoid the limitations placed on the purchase of property by this section shall be subject to the restrictions imposed by this section.

(3) Allegations under this subsection shall be proved by a preponderance of the evidence. In ruling on the petition, a court shall consider whether violations were caused by malicious acts of a current nonowner occupant and the control exercised by a purchaser in regard to his ownership interest or rights with other properties.

(b.3) A change of name or business status shall not defeat the purpose of this section.

(b.4) As used in this section: “Purchaser” shall mean any individual, partner, limited or general partner, shareholder, trustee, beneficiary, any other individual with any ownership interest or right in a business association, sole proprietorship, partnership, limited partnership, S or C corporation, limited liability company or corporation, trust, business trust or any other business association. “Uncorrected housing code violation” shall mean any conviction of a violation ofthe building, housing, property maintenance orfire code which is not remedied within six months of conviction. “Violation” shall mean any conviction under a building, housing, property maintenance orfire code which posed a threat to health, safety or property, but not a conviction deemed by a court to be de minisnis. Section 3. The amendment of section 31.2 of the act shall apply to all