27Every lien in respect of which a claim of lien has been filed ceases to exist on the expiration of ninety days from the filing of the claim of lien or after the expiry of any period of credit mentioned in the claim of lien unless, in the meantime, an action is commenced in which the lien may be enforced, and a certificate of pending litigation in respect thereof issued from the court in the form prescribed by regulation is registered in the proper registry office.