Code of Federal Regulations Title 22. Foreign Relations § 22.1008.640 Employee

(a) Employee means the employee of a recipient directly engaged in the performance of work under the award, including—

(b) This definition does not include workers not on the payroll of the recipient (e.g., volunteers, even if used to meet a matching requirement;  consultants or independent contractors not on the payroll;  or employees of subrecipients or subcontractors in covered workplaces).