How do I order infantry to assult a tank in CMBB?

[Der Kuenstler]

First make sure your squad stays in "OK" condition, preferably led by a good combat and stealth rated commander. Try to have a sniper button up the tank so it can't see well. Put a 30 meter cover arc on your assaulting squad. Put your squad on "move to contact & hide" through some good cover near the tank. Next turn sneak them within 30 meters of the tank (stay in cover) - if not fired upon they'll then sit up on their own and throw their charges.