GENERAL SERVICES ADMINISTRATION: REFERENCE IS MADE TO YOUR LETTERS OF APRIL 12. THE PAYMENTS WERE MADE ON VOUCHERS NOS. 2280513. TO WHICH EXCEPTIONS WERE TAKEN BY OUR OFFICE IN THE AGGREGATE AMOUNT OF $2. AS HAS BEEN EXPLAINED BY TELEPHONE ON SEVERAL OCCASIONS WAS DUE TO DIFFICULTIES EXPERIENCED IN LOCATING THE VOUCHERS AND CONTRACTS INVOLVED. IN THE LIGHT OF THE INFORMATION NOW AVAILABLE HERE REL...