No. 72-1996. Argued December 6, 1973. Decided March 29, 1974. George Kaufmann. Washington D.C., with whom Laurence J. Cohen, Washington, D.C., was on the brief, for petitioner. Patrick Hardin. Associate Gen. Counsel. N.L.R.B., with whom John S. Irving, Deputy Gen. Counsel, Elliott Moore, Acting Asst. Gen. Counsel, and Joseph E. Mayer, Atty., N.L.R.B., were on the brief, for respondent. Petition for review from the National Labor Relations Board. Before McGOWAN, TAMM and MacKINNON, Circuit Judges

(1) It shall be an unfair labor practice for an employer individually or in concert with others: (a) To interfere with, restrain or coerce the employer's employees in the exercise of the rights guaranteed in s. 111.04. (b) To initiate, create, dominate or interfere with the formation or administration of any labor organization or contribute financial support to it, provided that an employer shall not be prohibited from reimbursing employees at their prevailing wage rate for the time spent conferring