regarding checks in ca- i've been looking into this all morning! we had a report from banker's compliance group that said all cashier's checks, regardless of their purpose, would be escheated to the state after five years. that was the last update we heard from them; HOWEVER, i searched the state controller's site and found the unclaimed property laws and regulations, which states any cashier's check is to be escheated after 3 years. so to answer your question, i dont know. maybe search the california controller's office website for yourself.