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A Diamond Bar man was sentenced on Monday, March 27, to two years in federal prison for not paying the IRS more than $200,000 in payroll taxes owed by his Covina employment-staffing company, and he must also pay $2.79 million in restitution.

Robinson Rin Yang, who also used the names Robert Mora and David Lee, pleaded guilty in December to one count of willful failure to pay employment taxes, court documents show. Yang, 54, operated B&S Staffing in Covina from March 2016 to March 2020.

“Under defendant’s management, B&S engaged in a long-running pattern of failing to pay federal employment taxes and timely file federal employment-tax returns,” according to the sentencing memo from the US Attorney’s Office. “Despite knowing of the company’s expanding tax debts, defendant repeatedly used his control over B&S to direct payments from the corporate bank account for his personal benefit andfor the payment of other expenses.”

From mid-2017 until the end of 2019, B&S accrued large unpaid employment-tax liabilities, failed to make timely employment tax deposits, and repeatedly failed to timely file quarterly employment-tax returns with the IRS, according to a statement from the U.S. Attorney’s Office.

Yang didn’t pay the IRS all the employment taxes, including income taxes and Social Security and Medicare taxes withheld from employee wages, authorities said.

B&S accrued $2,791,783 in unpaid employment taxes during a 2½-years; Yang agreed to pay that in restitution to the IRS, according to the statement.

At the time of the crimes, Yang was on probation for prior convictions for worker’s compensation fraud and failure to file state employment tax returns.