Teflon is a remarkable substance. It has the best resistance to chemical attack of any polymer, and it can be used at any temperature between -73 C and 260 C with no effect on its properties. It also has a very low coefficient of friction.
A stale dated warrant is an unredeemed warrant which was issued more than six months prior to the current date. A stale dated warrant is expired and the original instrument is no longer negotiable.
Stale Dated Check Sent for Collection. 09/21/2009. I know that the generally accepted time frame for stale dated checks is six months, but I'm wondering how/if that applies to checks sent for collection. I've received a seven month old check for collection that was previously returned NSF.