(a) When collection commences.--

(1) The department shall call upon the Office of Attorney General to collect taxes, penalties or interest imposed by this chapter or section 9502 (relating to imposition of tax) at the following times:

(i) When payment is not made within 30 days of determination unless a petition for redetermination has been filed.

(ii) When payment is not made within 30 days of the date of redetermination unless a petition for review has been filed.

(iii) When payment is not made within 90 days from the date of the decision of the Board of Finance and Revenue upon a petition for review.

(iv) When payment is not made by the expiration of the board's time for acting upon a petition if no appeal has been made.

(2) The department shall call upon the Office of Attorney General to collect taxes, penalties or interest imposed by this chapter or section 9502 if there is a judicial sale of property subject to lien under section 9013 (relating to lien of taxes, penalties and interest).

(b) Commission.--On all claims for taxes, penalties and interest which are collected after the institution of suit by the Office of Attorney General, the distributor shall pay an Attorney General's commission of 5% upon the amount of recovery not exceeding $10,000 and of 3% upon the amount of recovery in excess of $10,000. Payment of the Attorney General's commission shall not affect liability for any penalty or interest payable under this chapter. The Attorney General's commission shall be paid into the State Treasury through the department for credit to the General Fund. The amount of the Attorney General's commission shall be added to the amount of the claim against the distributor and shall be a lien against the distributor's property in like manner as the amount of the claim.

(c) Trust fund for certain taxes.--

(1) All taxes collected by a taxpayer from a purchaser under this chapter or Chapter 95 (relating to taxes for highway maintenance and construction) which have not been properly refunded to the purchaser shall constitute a trust fund for the Commonwealth.

(2) Subject to the provisions of paragraph (3), the trust shall be enforceable against the taxpayer and any person, other than a purchaser to whom a refund has been properly made, receiving any part of the fund without consideration or knowing that the taxpayer is committing a breach of trust.

(3) A person receiving payment of a lawful obligation of the taxpayer from the fund shall be presumed to have received the payment in good faith and without any knowledge of the breach of trust.

(4) Unpaid taxes, penalties and interest due for which a trust may be enforced against the partners or members of an association or the officers of a corporation under this section shall also be a lien upon franchises and property of a partner, member or officer under section 9013.