OK I'm not a LaTeX developer but I'm using someone else's file to produce a document. I don't know LaTeX at all, How do I pass a command option to tell the package to use english and not french when this is in the .cls file?
\DeclareOption{french}{\ORG@isfrenchtrue}
\DeclareOption{english}{\ORG@isfrenchfalse}
\documentclass[english]{theclass}(wheretheclassis the name of the class you're using. – egreg Jan 31 '13 at 16:19