Since you brought the signatures page to the top of the doc and don't want a page number on it then you could use a "different first page" to customise the footer on that page only. You can set the section page numbering to begin at 0 if you want the 'second' page to be page 1. The 'third' page when it appears would be page 2.

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Andrew Lockton
Chrysalis Design, Melbourne Australia