Here: DMM 503 Extra and Additional Services
Do note it says:
So what information they are going to record - and then store... could be "interesting." I'm not thrilled with the idea of someone saving a copy of my signature for two years for unspecified reasons.
And from what I read the cost for this service is $5.70 - not 75 cents.
Whoa, did not know they keep it on file for two years! What's up with that