Originally Posted by
BoilerWings
In that case, if you have the dime, get signed off for your CFII and get the additional rating. It'll reinstate your CFIA, and you have to take a checkride anyway. It'll just take an extra flight or two of prep and a CFII to sign you off.
Otherwise you'll have to take the CFIA ride to reinstate, and that ride is kind of a pain in the arse.
Not so fast...
While this sounds logical, part 61 says that you have to take a checkride for one of the ratings on your expired CFI ticket. Taken literally, earning a new instructor rating will not re-instate your old ones.
Probably best to ask your FSDO about this one.