04/20/2026 | Press release | Distributed by Public on 04/20/2026 12:16
Keeping your Commercial Activity License (CAL) active is key to legally operating a business in Philadelphia. The good news is, knowing what to do makes it easy to comply with City tax rules. Keep your business running smoothly with these tips:
When you do business in Philadelphia, you must file and pay taxes. The City has over a dozen taxes. The Business Income and Receipts Tax (BIRT) is the main tax all businesses should be aware of. You may have to pay the Net Profits Tax (NPT) if your business is not a corporation.
Depending on your type of business, you may have to pay Use and Occupancy Tax, Hotel Tax, or the Liquor Tax. If your business has employees, you may have to withhold the Wage Tax from their paychecks and remit it to the City. Visit phila.gov/revenue to learn more about the City's various taxes. Know your tax responsibilities up front to avoid surprises later.
Knowing what taxes you may owe is great, but knowing how much you may owe is even better. Philadelphia updates its tax rates regularly, and lately it has done so every year. Some taxes have different parts (like income vs. receipts, which are taxed differently). Staying on top of tax rates will help you:
Find all City taxes, rates, and more on our Business taxes by type web page.
Missed deadlines are one of the biggest reasons businesses fall out of compliance. Philadelphia tax filing and payment frequencies depend a lot on the tax type. Make sure you know:
Several taxes can only be filed and paid online; for others, the filing frequency is determined by how much you owe. Here's a breakdown of some tax types, their due dates, and filing methods:
| Tax types | Filing & payment methods | Due dates & frequencies |
| BIRT and NPT | Online, in person, and by mail. Owe more than $5,000? You must pay online. | Due on April 15, covering the previous year's activity |
| Parking Tax | You must file and pay online only. | Due on the 15th of every month, for the previous month's activity |
| Philadelphia Beverage Tax | You must file and pay online only. | Due every month, on the 20th |
Visit our website for more filing info and payment due dates and frequencies.
Tip: Set calendar reminders so you don't miss anything.
Doing business in Philly means having the proper licenses and permits, and keeping your business account active and compliant. License revocation is one of the tools we use to collect unpaid taxes. You can't do business in the city if your commercial activity license is revoked. A revoked license could make things even more complicated-it is mostly used in cases of serious delinquency and when business owners ignore our communication efforts, but it also affects your eligibility for preferred payment agreement terms.
Before revocation, we'll send you three warning letters-two mailed to your address on file, and one hand-delivered and posted at your place of business:
The warning letters will tell you who your case manager is and how to reach them. You should work directly with your case manager to understand your options and get in compliance.
Your business won't be able to operate or serve customers once a cease operations order takes effect. If necessary, the Philadelphia Police Department will enforce the business closure. You may be fined $300 per day if you keep running your business after your license is revoked.
Understanding your tax obligations and filing and paying on time are key to keeping your Philadelphia business license active.