The Mountain Instructor Certificate (MIC) qualifies you to take people winter climbing anywhere in the UK. It does not cover Alpine climbing abroad. Many MIC holders also assess some of the lower-level awards such as the ML and SPA.
This article details the remit of the award, how to register for it and what exactly it covers. This article has been produced in conjunction with the Mountain Leader Training Association (MLTA).
Read more at http://www.ukclimbing.com/articles/page.php?id=1914