On December 29, 2020, an employee received a $5,000 check from her employer's client. The check was payable to the employer. The employee did not remit the funds to the employer until December 30, 2020. The employer deposited the check on December 31, 2020, but the bank did not credit the employer's bank account until January 2, 2021. Complete the statement below regarding when the cash basis employer is required to include the $5,000 in gross income. In because a check received considered a cash equivalent and a cash basis taxpayer must recognize the income when the check is .