Under-raises: when are they corrected and when do they stand?

[MikeB]

If during a series of bets and raises, a raise lower than the minimum raise is made, and subsequently called (and perhaps with further re-raises), should the original raise error be corrected or ??

Is a TDA rule needed to address this?

This is the subject of the following thread:
http://www.pokertda.com/forum/index.php?topic=995.msg8770#msg8770