Signed, witnessed, executed and acknowledged on this _____ day of ______,. ______. WITNESSES: Signature.An acknowledgment is one of the most common types of notarial acts, but it often confuses Notaries. Here are 5 steps to performing an acknowledgment. The developers or mortgagees sign the plat and their signatures are notarized using an acknowledgment certificate. (Signature of person taking acknowledgement). Have you ever asked yourself? Can I seal or expunge my criminal record? 444 SW 2 Avenue, 4th Floor, Miami, FL 33130. Telephone 305.416.1499.