HC Deb 27 November 1975 vol 901 c274W
Mr. Tebbit

asked the Secretary of State for Northern Ireland if he has placed any restrictions upon the freedom of the security forces in Ulster to cross the Irish border or to return fire across it.

Mr. Merlyn Rees

The security forces may not operate across the border into the Republic of Ireland. They may, however, return fire across the border if they are satisfied that it is necessary to preserve life and limb.