The State Board of Workers' Compensation having failed to give the 10-day notice required by Code Ann. 114-501 (Code 114-501; as amended through Ga. L. 1975, pp. 190, 196), it was without authority to order a change in physician. Insurance Co. of N. A. v. Lovinggood, 145 Ga. App. 690 (244 SE2d 628).

Richard W. Best, for appellants.