Which of the following actions by a broker constitutes a violation?

Accepting a referral fee from an out-of-state broker is generally permissible as long as the out-of-state broker is licensed and the transaction complies with applicable laws. Brokers often collaborate across state lines, provided they follow the regulations governing such arrangements.

A buyer's broker can legally accept a commission from a listing broker as part of a cooperative agreement. This arrangement is common in real estate transactions and does not constitute a violation, as long as it is disclosed to the involved parties.

Paying a referral fee to an out-of-state broker is allowed if the out-of-state broker is licensed and the referral complies with state laws. Brokers frequently refer clients to one another across state lines, maintaining adherence to regulatory standards while facilitating transactions.