(a) Upon written demand of the owner, lienor, a recorder under § 3-5010.8 of the Counties Code, or any person interested in the real estate, or their agent or attorney, served on the person claiming the lien, or his agent or attorney, requiring suit to be commenced to enforce the lien or answer to be filed in a pending suit, suit shall be commenced or answer filed within 30 days thereafter, or the lien shall be forfeited. Such service may be by registered or certified mail, return receipt requested, or by personal service.
     (b) A written demand under this Section must contain the following language in at least 10 point bold face type: “Failure to respond to this notice within 30 days after receipt, as required by § 34 of the Mechanics Lien Act, shall result in the forfeiture of the referenced lien.”