A.__One hundred percent of the tax that would otherwise be due under this Part for each of the first 5 taxable years that the taxpayer is required to file a return pursuant to this Part; and

B.__Fifty percent of the tax that would otherwise be due under this Part for each of the taxable years beginning with the 6th year and ending with the 10th year that the taxpayer is required to file a return pursuant to this Part.

2.__Apportioned credit in certain circumstances.__In the case of a business, including an affiliated group, that has a business presence in the State other than that conducted within a Pine Tree Development Zone as defined by Title 30-A, section 5246, subsection 6, including, but not limited to, a taxpayer that is required to file a combined report pursuant to section 5206-G or 5244, the assessor shall make a pro forma determination of the state income tax liability of the qualified Pine Tree Development Zone business, based upon which the credit provided by this section is to be calculated.__ In making the pro forma determination, the assessor shall assume that all of the business activities conducted by the taxpayer within this State constitute a unitary business, but that only the qualified Pine Tree Development Zone business is subject to the tax imposed by this Part and the assessor shall apply the apportionment rules set forth in chapter 821 or in section 5206-E.

3.__Limitation.__The credit provided by this section is limited to an amount that would not reduce the taxpayer's liability under this Part, including the aggregate tax liability under this Part of affiliated members of a unitary group, to less than the liability under this Part in the taxable year prior to the commencement of the taxpayer's activity within a Pine Tree Development Zone as defined in Title 30-A, chapter 206, subchapter 3.

Sec. 5. 36 MRSA §6754, sub-§1, ¶D is enacted to read:

D.__For qualified employees employed by a qualified Pine Tree Development Zone business, as defined in Title 30-A, section 5246, subsection 10 and for whom a certificate of qualification has been issued in accordance with Title 30-A, section 5246, subsection 10, the reimbursement is equal to 100% of the withholding taxes withheld each year for which reimbursement is requested and attributed to those qualified