571. Courts.

572. Equity.

573. Exceptions.

574. Forgery.

575. Loan payable in gold.

576. Licenses.

577. Limitations and restrictions.

578. Broker acting as a mere middleman. 578a. Broker masquerading as a middleman who acquires interests adverse to owner forfeits commissions and must account for ill-gotten gains.

579. Unless mistake be pleaded and proved each purchaser bound for the whole commission.

580. "Immediate notice" means in a reasonable time. 580a. The word "able" in statute held to mean "financially able."

581. Principal may remain neutral as to broker's claim.

582. Proposition inconsistent with negative to prove.

583. Parol contract of agent binds unnamed principal. 583a. Contracts between brokers to share commissions exempted from being in writing.

584. Broker to share in profits for sales not a partnership. 584a. Brokers not meeting earlier demands not precluded from sharing profits when paying share of note when due.

585. To pay commission on withdrawing land strictly construed.

586. In trying to effect a sale of real estate party may extravagantly extol.