Since I take care of Mr. A's transaction privilege taxes online, I get a monthly email with reminders, updates and changes to Arizona taxes.  A couple of weeks ago, an additional one came through stating that Senate Bill 1185 had been approved and our withholding will be increased beginning May 1, 2009. It's not a lot, but Arizona withholding taxes are going up. Here's a screenshot of the increases: If you review my earlier post, on how to calculate your… Read the rest