Nairobi, June 24 -- As Kenya cements its position as East Africa's commercial hub, the movement of foreign executives, technical specialists, consultants and investors into the country has become an everyday aspect of business.

International companies regularly fly in personnel for meetings, project implementation, technology transfers and operational support.

Yet beneath this increasing cross-border activity lies one of the most misunderstood areas of Kenyan immigration law: when does a legitimate business visit become "work"?

Many organisations only ask this question after finding themselves on the wrong side of immigration enforcement. The assumption that a visitor's pass is sufficient for short-term assignments remains one of the m...