Every person who participates in the S-corp, even the owner, must pay themself a fair salary for the amount of work performed. That salary is reported on a W-2 and is subject to social security, medicare, and income tax withholding, along with all other employee requirements in federal and state law (unemployment insurance, workers comp, etc.). If you aren't sure what your profit will be, you could pay the salary in a lumps sum on December 31, if you want, rather than weekly or monthly, but you must take a fair salary. Only after taking a fair salary, can you distribute any other profits. You should really see a tax professional.
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