General Information

• FAQs
• Starting a business in Iowa
• Sales and use tax information (78-539)
• Services: Which ones are taxable? (78-524)
• Are you selling household hazardous materials (HHMs)?
• Exemption certificates: How and when to use them (pdf) (78-637)
• Exemptions: A complete list of sales and use tax exemptions (pdf) (79-120)
• Do you have customers in other states? (78-548)
• Computers: Is yours exempt? (78-575)
• Discounts, rebates and coupons: How to apply tax (78-628)
• Internet sales
• Sales tax rate charts (pdf) (79-106)
• Consumer's use tax (78-535)
• Penalty and Interest
• Filing Status and Due Dates
• Delinquent Tax
• ePayments

Agricultural information

• Farmers guide to Iowa taxes (78-507)
• Information for agribusinesses (78-636)

Information for specific business types

• Auctioneers (78-554)
• Auto repair and body shops (78-523)
• Banks and financial institutions and their fees (78-574)
• Barbers and cosmetologists (78-572)
• Cities and counties: Sales to and sales by (78-526)
• Clinics: Medical devices and equipment (78-609)
• Construction contractors (78-527)
• Construction contracts and exempt entities
• Construction contractor registration with Iowa Workforce Development
• Dentists (78-567)
• Energy -- Sales Tax Exemption on Heating HF705: Phase-out of state sales tax on energy, including how to handle phase-out on sales tax returns
• Farmers Market handout (pdf) (31-039)
• Food/Restaurants and grocery stores (78-516)
• Gambling / Fundraising: Games of skill or chance and raffles (78-506)
• Landscaping and lawn care (pdf) (78-627)
• Manufacturers and processors (78-530)
• Motor vehicle use and lease tax information
• Nonprofit entities: Sales to and sales by (78-595)
• Printers and publishers: A list of supplies exempt from tax (78-570)
• Security and detective services (78-917)
• Solid waste collection and disposal (78-543)
• Veterinarians (78-531)