We design our courses typically for up to 24 participants, and then we calculate that we'll go ahead and offer it when we are around two-thirds full. But as my colleague said, when we're working directly with departments, there is some more flexibility.
Evidence of meeting #54 for Status of Women in the 41st Parliament, 1st Session. (The original version is on Parliament’s site, as are the minutes.) The winning word was workplace.
A video is available from Parliament.