UAW. Washington. D.C. DEAR MR. REUTHER: I have received your letter of February 13 and am interested to learn that you have extended an Invitation to visit the United States to Mr. Boris Averlanov. Director of the International Affairs for the AllUnion Central Council of Soviet Trade Unions. Our Consulate tells me that as soon as Mr. Averanovs formal visa application is sent to the Embassy through the. Ministry of Foreign Affairs. we will request an advisory opinion from the Department of State under current exchange procedures. The Department of State likes to have twenty days to process such cases.