SECTION 1. Notwithstanding any special or general law to the contrary, in determining the liability of any taxpayer for a tax, the department of revenue, the state treasurer nor any state agency or constitutional officer shall contract with or employ any person, agent or firm who is compensated in whole or in part by the state for services rendered on a contingent basis or any other basis related to the amount of tax, interest, or penalty assessed against or collected from the taxpayer.

SECTION 2.  Notwithstanding any special or general law to the contrary, the department of revenue, the state treasurer or constitutional officer and any other state agency, in any contract with or employment of any person, agent or firm to assist a local municipal official in the performance of the local municipal assessor’s duties, may not compensate such person or firm, in whole or in part, on a contingent fee basis or any other similar method that may impair the assessor’s independence or the perception of the assessor’s independence by the public.

SECTION 3. Chapter 14 of the General Laws is hereby amended by inserting, after section 3A, the following new section:-

Section 3B. Notwithstanding any special or general law to the contrary, the department of revenue, the state treasurer or constitutional officer and any other state agency are expressly prohibited from contracting with or employing any person, agent or firm on a contingent fee basis or any other similar method that may impair an auditor’s independence.

SECTION 4. Notwithstanding any special or general law to the contrary, the department of revenue, the state treasurer and any other state agency or constitutional officer may not contract with or employ a tax expert for the purposes of determining the tax liability of any taxpayer for a tax or to defend the state department of revenue’s or state treasurer’s position during the course of a dispute, mediation or litigation a person, agent or firm may not be compensated, in whole or in part, on a contingent fee basis or any other similar method that may impair the assessor’s independence or the perception of the assessor’s independence by the public.

SECTION 5.  Any regulations promulgated by any state agency or constitutional officer, including the state treasurer and the department of revenue, authorizing the use of contingent based contracts shall be repealed.

SECTION 6. Section 12 of Chapter 200A of the General Laws is hereby amended by inserting, after subsection (i), a new subsection:-

(j) Notwithstanding any special or general law to the contrary, the department of revenue, the state treasurer, a constitutional officer, and any other state agency are expressly prohibited from contracting with or employing any person, agent or firm on a contingent fee basis or any other similar method that may impair an auditor’s independence.

SECTION 7. This act becomes effective July 1, 2017, and applies to audits, determinations of liability, assessments, and services of a tax expert contracted for on or after that date. State agencies and constitutional officers shall not renew contingency fee based contracts for these services after July 1, 2017.  For contingency fee based contracts entered into prior to July 1, 2017, state agencies and constitutional officers shall not assign further audits on a contingency fee basis to an auditing firm under such contracts that meet all the following conditions: (i) the contract would have been prohibited under this act had the contract been entered into on or after July 1, 2017, and (ii) the contract allows the assignment of audits on a discretionary basis by the state agency or constitutional officer.”