| |  | |  | It replaces the imprecise phrase "mobile and modular homes" with |  | the defined term "manufactured housing." | 
 | 
 
 
 |  | |  | It eliminates a superfluous cross-reference and eliminates |  | other redundant language. | 
 | 
 
 
 |  | |  | It enacts various technical changes to clarify a statute |  | enacted in 2005 that altered the Maine income tax calculation for |  | multistate corporations. | 
 | 
 
 
 |  | |  | It corrects an erroneous cross-reference. | 
 | 
 
 
 |  | |  | It clarifies that the Pine Tree Development Zone tax credit |  | cannot be carried forward indefinitely to offset future income in |  | years beyond the Pine Tree Development Zone time period. This is |  | the interpretation currently being applied administratively by |  | the Bureau of Revenue Services. | 
 | 
 
 
 |  | |  | It clarifies a cross-reference to the Internal Revenue Code. |  | The section referred to has been repealed. | 
 | 
 
 
 |  | |  | It eliminates the solid waste reduction investment tax credit, |  | which is no longer available. | 
 | 
 
 
 |  | |  | It corrects the name of the state agency that certifies |  | investments for the quality child care investment credit. | 
 | 
 
 
 |  | |  | It clarifies that estates and trusts must file a Maine income |  | tax return if they owe Maine income tax, even if their Maine |  | taxable income is zero or less. This is the interpretation |  | currently being applied administratively by the Bureau of Revenue |  | Services. | 
 | 
 
 
 |  | |  | It corrects a punctuation error, standardizes archaic language |  | and corrects cross-references. | 
 | 
 
 
 |  | |  | It clarifies the definition of "income" for purposes of the |  | Maine Residents Property Tax Program. | 
 | 
 
 
 |  | |  | It clarifies the procedure for payment of claims under the |  | Business Equipment Tax Reimbursement program. | 
 | 
 
 
 |  | |  | It clarifies that Maine elective property owned by an estate |  | of a nonresident is subject to Maine estate tax. | 
 | 
 
 
 |