What does OSTTB stand for?
What does OSTTB mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: OSTTB.
We've found a total of 1 definition for OSTTB:
Ontario Sales Tax Transition Benefit (three payments June 2010 through June 2011 to ease the transition from ORST/GST to HST)