Want to Appeal an Unemployment Benefits Decision? Use the online form to submit an Unemployment appeal.Texas law flatly prohibits any agreement not to file an unemployment claim, and any such agreement is void and unenforceable. Call the TWC at 800832921 to request a form. Mail a request for a form to the following address: Texas Workforce Commission. WHEN TO CALL: Sunday 8 a.m. State agencies can require a worker to repay UI benefits if they find that those benefits, or part of those benefits, were improperly paid. To make sure your claim is not delayed, be sure to give complete and correct information. The Texas Workforce Commission is a staterun agency that handles legal concerns such as employment and housing disputes. I did not apply for benefits until a week or more after I lost my job.