Whenever an ordinance shall take effect without the Mayor's signature by reason of his failure to return it to the Council by filing it with the Clerk within five (5) days after it has been presented to him, the Clerk shall append to such ordinance a certificate in substantially the following form:
"I HEREBY CERTIFY that the above ordinance was adopted by the Borough Council on the _____ day of ________ and was presented to the Mayor duly certified on the _____ day of ________, and upon his failure to sign it or to return and file it with the Clerk within five (5) days thereafter, the said ordinance took effect in like manner as if the Mayor had signed it.
"Dated:
_______________ Borough Clerk"