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Idaho Basic Business Taxes

Q1 2014
Corporate income tax:
All corporations that transact or are authorized to transact business in Idaho or have income attributable to Idaho are subject to the corporate income tax. A 7.4 percent tax is imposed on net taxable income allocated and apportioned to the state. Net operating losses may be carried back two years (limited to $100,000 per tax year) and forward 20 years until absorbed.

Sales and use tax:
Sales and use tax is collected at a rate of 6 percent for most items purchased or consumed in the state. Idaho's Production Exemption exempts equipment used in manufacturing, processing, mining, farming, fabricating operations, and clean rooms (used to make semiconductors and semiconductor manufacturing equipment), any equipment or material used in research and development activities; and processing materials, substances or commodities for use as fuel for the production of energy are exempt from the sales and use tax. Most services are exempt from the sales and use tax. In addition, businesses are exempt from paying sales tax on pollution control equipment and utility and industrial fuels. With the exception of a few resort communities, Idaho cities have no local option sales tax.

Property tax:
Property tax varies according to the needs of Idaho's local taxing districts with a statewide average property tax levy of 1.630 percent of market value in urban areas and 1.048 percent in rural areas. Items exempt from property tax include inventories, livestock, property in transit, pollution control facilities, properly licensed motor vehicles, vessels, aircraft, and the first $50,000 of the value of a primary residence. Taxing districts may not increase their annual budget requests more than three percent plus any increase in market value resulting from new construction. The property tax revenue limitation does not include revenue from levies that are voter approved.

New employer unemployment insurance tax:
For 2012, 1.302% ($34,100 base)

Idaho Business Advantage tax credit:
Businesses that invest a minimum of $500,000 in new facilities and create at least 10 new jobs qualify for a variety of incentives including an enhanced tax credit of 3.75 percent or 62.5 percent of tax liability in any one year up to $750,000, a new jobs tax credit starting at $1,500 and climbing to $3,000, a 2.5 percent real property improvement tax credit, and a 25 percent rebate on sales tax paid on construction materials for the new facilities.

Investment tax credit:
A provision adopted by the Idaho legislature allows a 3 percent credit for new investments made in the state, not to exceed 50 percent of the tax liability for the year. The credit may be carried forward up to 14 years.

Qualified Investment Exemption:
This exemption may be applied in lieu of this income tax credit. A two-year exemption from property tax on the qualified personal property is available. The exemption is available only if a loss was incurred in the second preceding tax year in which the property is placed in service. The loss must have been computed without regard to any carryover or carryback of net operating losses.
  • 5 percent research and development credit:
  • 5 percent of basic research costs;
  • 5 percent of excess qualified research costs;
  • Defined by IRS, Section 41;
  • Research must be performed in Idaho;
  • Credit is transferable.

Aircraft Parts Sales Tax Exemption
Materials, parts, and components installed on private aircraft owned by non-residents or installed on Idaho manufactured aircraft sold to non-residents or installed on aircraft used for commercial purposes are exempt from sales tax.

100 percent research and development tax exemptions:
Businesses can claim a 100 percent sales and use tax exemption for any property used in research and development activities.

Broadband telecom credit:
  • Three percent transferable state income tax credit;
  • Qualified investments in broadband equipment throughout Idaho;
  • Up to $750,000.

New jobs credit:
Businesses may earn a $1,000 tax credit for each additional employee added. Employee must work a minimum of 20 hours per week, make at least $15.50 an hour and must receive employer provided coverage under an accident or health plan. Can be carried over three years.

Net operating losses credit:
Net operating losses may be carried back two years, with a limit of $100,000 loss per tax year. If the loss is not absorbed in the two-year carryback period, it may be carried forward until absorbed, not to exceed 20 years. The taxpayer may choose instead to carry a loss forward only and can carry it forward until absorbed, but not to exceed 20 years.

Property Tax Exemption:
Businesses that invest in new manufacturing facilities may receive partial or full property tax exemptions from local county commissioners. To qualify, businesses must invest a minimum of $3 million.

Large Business Property Tax Cap:
Businesses that invest a minimum of $1 billion in capital improvements will receive a property tax exemption on all property in excess of $400 million in value per year.

Large Employer Property Tax Cap:
Companies with property values that exceed $800 million are exempt from paying additional property taxes on the excess value if they make a yearly capital investment of at least $25 million and employ a minimum of 1,500 full-time employees.

Business inventory:
Business inventories are exempt from all taxation within the state.

Goods in transit:
The state's Freeport law provides that goods in transit are exempt from taxation. An additional exemption from the sales and use tax is provided for goods purchased by a carrier and delivered outside the state under a bill of lading for use by the carrier in its business.

Pollution-control equipment:
Pollution-control equipment required by state or federal regulation is exempt from the sales and use tax. Pollution control facilities are exempt from property tax.

Industrial machinery and equipment:
Registered motor vehicles, vessels, and aircraft are exempt from property tax. In addition, the following equipment is exempt from the sales and use tax:

  • Personal property used by broadcasters in producing or broadcasting television or radio programs;
  • Motor vehicles and trailers delivered in-state for use out of state;
  • Aircraft primarily engaged in the transport of passengers or freight for hire;
  • Equipment used directly in manufacturing, processing, mining, fabricating, or logging operations;
  • Clean rooms used in semiconductor and semiconductor equipment manufacturing.
  • Equipment or material used in research and development activities Industrial fuels and raw materials:
    The following materials are exempt from the sales and use tax:
  • Personal property directly used or consumed in manufacturing, processing, mining, or producing fabricated property;
  • Certain containers for packing;
  • Delivered utilities including water, electricity, and natural gas;
  • Heating fuel;
  • Property used in the production of certain advertising newspapers.
  • Processing materials, substances or commodities for use as fuel for the production of energy

Property tax exemptions:
Fully exempt: inventories, livestock, stored property in transit, pollution control equipment, household belongings, clothing, licensed vehicles, and RVs, and property of religious, fraternal, or education groups. Partially exempt: improvements on residential property, farms.

Idaho Commerce Website:

Idaho State Contact:
Idaho Department of Commerce
700 W. State Street
Boise, ID 83720
(208) 334-2470 or (800) 842-5858

Incentive and tax information is provided to Area Development by each state's economic development or commerce agency for information purposes only and is subject to revision at any time by the state government. Please contact the state agency directly for full requirements and offerings.

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