Indiana Code Title 32. Property § 32-28-12.5-12

(A) the name of the claimant;

(B) the name of the owner of the commercial real estate upon which the lien is claimed;

(C) a legal description of the commercial real estate upon which the lien is claimed;

(D) the amount for which the lien is claimed;  and

(E) the license number of the broker company's license under IC 25-34.1;