Written for EO by Jessica Thiefels, social media coach and organic marketing consultant.

According to Pew Research, close to 15 million Americans are self-employed. Filing your taxes when you’re self-employed means you’re having to deal with a range of new tax rules and regulations that you’ve never dealt with for personal taxes.

To ensure you understand what you have to do, consider turning to a CPA. This person will walk you through what you should and shouldn’t do. You’ll likely see your CPA a few times throughout the year as well to make sure your income is on track and that there are no surprises come tax time.

Even if have an expert to guide you, it’s important to know what’s expected of you for taxes as a self-employed person. Here are just some of the tax rules that may be new to you and are important to know.