DM NO. 298, S. 2022. APPLICATION, REGISTRATION, AND IMPLEMENTATION OF DIGITAL SIGNATURE PNPKI FOR MAY 2022 NATIONAL AND LOCAL ELECTIONS Posted on April 11, 2022 by DepEd Mandaluyong Leave a comment DM NO. 298, S. 2022. APPLICATION, REGISTRATION, AND IMPLEMENTATION OF DIGITAL SIGNATURE PNPKI FOR MAY 2022 NATIONAL AND LOCAL ELECTIONS Memorandum Numbered