Once you reserve a PO Box at the Post Office location, link it to your USPS.com account. You can manage it online instead of the Post Office location. Link a PO Box to an USPS.com Account
Quick Answer. Cashier's checks themselves do not expire as personal checks do. However, the funds behind the check are subject to state escheat laws.
Personal checks donât expire. But they do become what is known as âstale dated.â Simply put, a check becomes stale dated six months after it was written. After six months, banks have the option of refusing to deposit or cash any stale-dated checks. Why the sixth-month limit? Simple. A lot can change over that period. Companies go out of business.