In fact, trying to cancel a record is not always obvious or user_friendly as the ESC (escape) key has a two folded response; the first to the field your cursor is active and second the entire record. Yes, you can undo record changes but this should not be relied upon. It does provide automatic relationship links between your tables providing you are using primary keys and other linked fields between tables correctly without the need to manually intercede.
Outside of QuickBooks _ Depending on what needs to be included, it might make more sense to print the disclaimer on the back of the form. It would also be possible to use this method in conjunction with option 1 or 2 to state something along the lines of "see additional disclaimer information on the back of this form" to include a reference to the information without having to actually include it on the form.