If you're the first notary, you could just leave the preprinted ack blank and add a page with the ack for the person who appeared before you. Make a note of what you did, and maybe scan the finished pages. Let the next notary decide whether to modify the preprinted ack or line through it and add a page for the person who appeared before the other notary.
The unpleasant situation is if the other notary already notarized the other member of the couple, and did it wrong (for example, by failing to strike out the name of the person who did not appear). |