SECTION 25D
Residential energy efficient property
SECTION 38
General business credit
SECTION 39
Carryback and carryforward of unused tax credits
SECTION 45
Electricity produced from certain renewable resources, etc.
SECTION 46
Ammount of credit
SECTION 48
Energy credit
48C Qualifying advanced energy project credit
SECTION 50
Other special rules
SECTION 167
Depreciation
SECTION 168
Accelerated cost recovery system
SECTION 179
Election to expense certain depreciable business assets
REVENUE PROCEDURES
IRS Revenue procedure 2007-65