My notary commission expiration date is something I'll never forget, because I have written it thousands of times.
I purchased a notary stamp that includes my commission expiration date on it. I received it today. I purchased it through the American Association of Notaries. It was reasonably priced and it comes with a lifetime replacement guarantee.
Colorado notary law is very specific about how the notary stamp should be made. The only words that can be contained within the outline of the seal are the name of the notary, according to their official signature, the words 'Notary Public' and 'State of Colorado' (CRS 12-55-112). For example:
But it is permissible to have a stamp with the commission date on it, as long as it is outside the outline of the seal:
This is a lot less writing that I'll have to do, and should save a lot of time in closings.