Under Ballinger's Annotated Code and Statutes, Sec. 4576, amended by laws of 1905, p. 110, c. 58, requiring contracts for the employment of brokers to sell real estate for a commission to be in writing, a written contract employing a broker to procure a purchaser of real estate for a fixed price net, containing no stipulation for the payment of a commission, and showing the erasure in the printed form used of the words providing for the payment of a commission, is insufficient, and parol evidence fixing the liability for the commissions is inadmissible. Foote v. Rollins, 50 Wash. 277, 97 P. 103; Holland v. Johnson, 174 N. W. 874, - N. D. Sup. - .