Originally Posted by Loren Pechtel
All they ended up dinging him on was a big check deducted in the wrong year. (IIRC he deducted it in the year he wrote it, not in the year the recipient received it. Something like 12/31 vs 1/2.)
IIRC the rule is the postmark date, not date of receipt... unless you send it Fedex or similar in which case it's the date of receipt (since you could in theory call back a Fedex package to be returned).