Washington DC Notary Certificates NNA Members can download these and other Notary Certificate forms at no charge. Not a member? Join today. (Notary Fee Schedule not available for download) Sort By Featured Price (Low/High) Price (High/Low) Products (A/Z) Products (Z/A) District of Columbia Individual Acknowledgment Details The Individual Acknowledgment certificate is used when an individual is signing and acknowledging on his or her own behalf. Pad of 100 certificates. District of Columbia Verification on Oath or Affirmation Details This certificate may be used when an individual is signing and swearing (or affirming) that certain written statements are true. Pad of 100 certificates. Witnessing or Attesting a SignatureDetails The Signature Witnessing or Attesting certificate is used to determine that the signature appearing on a document is that of the person appearing before the Notary and named in the document. Pad of 100 certificates.