15-32-106. Procedure for obtaining benefit of deduction or credit. The department of revenue shall provide forms on which a taxpayer may apply for a tax credit under 15-32-109. The department of revenue shall approve a deduction or credit under 15-32-103 or 15-32-109 that demonstrably promotes energy conservation or uses a recognized nonfossil form of energy generation. The department of revenue may refer a deduction or credit involving energy generation to the department of environmental quality for its advice, and the department of environmental quality shall respond within 60 days. The department of revenue may refer a deduction or credit involving energy conservation to the department of labor and industry for its advice, and the department of labor and industry shall respond within 60 days. The department of revenue may deny a deduction or credit that it finds to be impractical or ineffective.