File your Annual Report or an Amended Annual Report using a credit card. Updates will post within minutes of filing!A Business Tax Receipt is required for anyone conducting business in Hillsborough County. Complete the fillable PDF form using your computer. The Local Business Tax is required of any individual or entity choosing to engage in business, profession or occupation in Hillsborough County. New businesses must obtain their Local Business Tax Receipt prior to engaging in their enterprise. The tax period is from Sept 1 to Sept 30 of the next year. Ready to form a business in Tampa? We'll go over business registration, how to get a City of Tampa business license, business tax, and more. You will also need to submit a completed W9 form.