Section 1501 - Formal notice by subcontractor as condition precedent(a), (b) Deleted by 2006, June 29, P.L. 210, No. 52, § 3, effective Jan. 1, 2007.(b.1) Time Period of Formal Notice. No claim by a subcontractor, whether for erection or construction or for alterations or repairs, shall be valid unless, at least thirty (30) days before the same is filed, he shall have given to the owner a formal written notice of his intention to file a claim, except that such notice shall not be required where the claim is filed pursuant to a rule to do so as provided by section 506. (c) Contents of Formal Notice. The formal notice shall state: (1) the name of the party claimant;(2) the name of the person with whom he contracted;(3) the amount claimed to be due;(4) the general nature and character of the labor or materials furnished;(5) the date of completion of the work for which his claim is made;(6) a brief description sufficient to identify the property claimed to be subject to the lien.(d) Service of notice. The notice provided by this section may be served by first class, registered or certified mail on the owner or his agent or by an adult in the same manner as a writ of summons in assumpsit, or if service cannot be so made then by posting upon a conspicuous public part of the improvement.1963, Aug. 24, P.L. 1175, No. 497, art. V, § 501. Amended 2006, June 29, P.L. 210, No. 52, § 3, effective 1/1/2007.