For a broker to be entitled to commissions for procuring a tenant, he must present a satisfactory person, who is ready, able and willing to enter into a lease proposed by the owner, and that the business to be conducted in the leased premises be legitimate and lawful. Diamond v. Fay, 138. P. 933, 23 Cal. App. 566.

Where the owners of a mining lease employed brokers to sell the same within a stipulated time, for a price based on the daily gauge of the output, and the owners accepted the offer, with knowledge that the gauge had not been made, they waived such provision, and the brokers were entitled to their compensation. Bailey v. Rowe, 124 P. 282, 33 Okl. 51.

Broker entitled to commissions for procuring a purchaser or lessee, presents a lessee, and the principal accepts him and enters into an enforceable contract with him, though lessee proves irresponsible. Lowenstein v. Holmes, 135 P. 727, 40 Okl. 33.