HC Deb 20 June 1968 vol 766 cc167-8W
53. Mr. Drayson

asked the Postmaster-General what correspondence containing payments to the Inland Revenue, licensing authorities, Customs and Excise and nationalised industries is permitted

Mr. Callaghan

The following is the information:

by his regulations to be sent in envelopes franked O.H.M.S.

Mr. Joseph Slater

The inscription O.H.M.S. has no postal significance. Postage stamps must be affixed to envelopes unless by arrangement they bear a design showing that postage has been paid. This arrangement does not extend to nationalised industries.