A lawyer shall not give anything of value to a person for recommending the lawyer's services, except that a lawyer may:
(1) pay the reasonable costs of advertisements or communications permitted by this rule;
(2) pay the usual charges of a legal service plan or a not-for-profit lawyer referral service;
(3) pay for a law practice in accordance with Rule 1.17; and
(4) refer clients to another lawyer or a nonlawyer professional pursuant to an agreement not otherwise prohibited under these rules that provides for the other person to refer clients or customers to the lawyer, if:
(i) the reciprocal referral agreement is not exclusive; and
(ii) the client is informed of the existence and nature of the agreement.
Any communication made pursuant to this rule shall include the name of at least one lawyer or law firm responsible for its content.
(Amended effective January 1, 1990; amended effective August 31, 1993; amended effective January 1, 1996; amended effective October 1, 2005.)