How can I get my full payout?

I live in America. I don’t want 30% deducted from my payout. How can I get my full payout?
You guys never sent me any email notice about this.

Do you have an account on the American platform? Then please have a look at this blogpost here: https://www.spreadshirt.com/blog/2017/11/15/spreadshirt-taxes-everything-need-know/

If you have an account on the EU platform please have a look at this here: https://help.spreadshirt.com/hc/en-gb/articles/212640345-Withholding-Tax-on-Design-Price-Earnings