Hi. I posted this on the general etiquette board because I wasn't even aware that there was a local board!! I am hoping some MA Ladies can help?? Thanks!!
I don't know where else to post this. If we chose to take our FIs last  name or to hyphenate it, do we HAVE to change our last names with SSA,  banks, work, etc. Or can we just keep using our maiden name with  things? 
I have read different opinions on this. When  is our last name LEGALLY changed? When we sign the marriage certificate  or when we go to the SSA?  
Is there any "deadline" as to  when someone should change their last name w/SSA, bank, etc.  I know for  tax purposes it could be an issue, but can someone still file under  their maiden name since they go by the ss# anyways?