under oath. Under a burden or responsibility to speak truthfully or perform an action faithfully.
As in certifiying by written signature
being the duly elected and qualified electors
They certainly did:
We the undersigned
being the duly elected and qualified electors for President and vice president of the United States of America from the state of Arizona do here by certify:
View attachment 940200
The real Affidavit says
by authority of law in us vested, voted for President of the United States of America with the following result: For President Joseph Biden 11 votes In Witness Whereof, we, the undersigned, have hereunto at Phoenix, Arizona on this 14th day of December, 2020,.-subscribed our respective names.