Section 503. Contents of Claim.--The claim shall state:
(1) the name of the party claimant, and whether he files as contractor or subcontractor;
(2) the name and address of the owner or reputed owner;
(3) the date of completion of the claimant's work;
(4) if filed by a subcontractor, the name of the person with whom he contracted, and the dates on which preliminary notice, if required, and of formal notice of intention to file a claim was given;
(5) if filed by a contractor under a contract or contracts for an agreed sum, an identification of the contract and a general statement of the kind and character of the labor or materials furnished;
(6) in all other cases than that set forth in clause (5) of this section, a detailed statement of the kind and character of the labor or materials furnished, or both, and the prices charged for each thereof;
(7) the amount or sum claimed to be due; and
(8) such description of the improvement and of the property claimed to be subject to the lien as may be reasonably necessary to identify them.