Thanks for joining us here in the Community, @Cyra.
I'd like to ensure that you'll get the best course of action to be taken when deducting sales tax to your transactions in QuickBooks.
To help determine if you need to pay sales tax for your art giveaway, I suggest contacting your tax agency. They'll be able to discuss with you the appropriate process in this situation and provide you the right recommendation.
If you're advised to pay sales, you can always utilize these links attached to guide you in tracking them in both QuickBooks platform depending on what version you're using:
Know that I'm always around to help if you have any other questions or concerns with QuickBooks. Just leave a reply below, and we'll take it from there. Have a good one!