就可以tax free benefits. 这三个要求:
1. Provided by an employer to employee;
2. Offered for the convenience of the employer;
3. Furnished on the business premises of the employer.
而对于convenience of the employer, please see Treas. Reg. §1.119-1(a)(2), meals during working hours for "on call" employees, or for employees restricted to short meal periods, or for employees who could not otherwise secure meals in reasonable meal period.