But you do have your own business for it. Yes you are the owner of your own self employment business. You are in business for yourself. Use your own info. The people or company that pays you is your customer or client. You are considered to have your own business for it. YOU are the business.
You need to fill out schedule C for self employment business income and pay self employment tax in addition to regular income tax on it. The SE tax is to pay Social Security and Medicare tax that wasn't taken out like on a W2.
You can enter Self Employment Income into Online Deluxe or Premier but if you have any expenses you will have to upgrade to the Self Employed version.
How to enter income from Self Employment
https://ttlc.intuit.com/community/self-employed/help/how-do-i-report-income-from-self-employment/00/...
Schedule C line B Business Code is a 6 digit number for your activity. Here are the IRS instructions for Schedule C. Business codes start on page 18. If you can't find a code that applies, you can enter 999999.
http://www.irs.gov/pub/irs-pdf/i1040sc.pdf
See the FAQ on Business Codes,
https://ttlc.intuit.com/community/business/help/what-is-the-business-code-used-for/00/25672
