10.92—Contact with witnesses.
(a)
A practitioner shall not suppress any evidence that the practitioner or the practitioner's client has a legal obligation to reveal or produce.
(b)
A practitioner shall not advise or cause a person to be secreted or to leave the jurisdiction of a tribunal for the purpose of making the person unavailable as a witness therein.
(c)
A practitioner shall not pay, offer to pay, or acquiesce in the payment of compensation to a witness contingent upon the content of the witness' affidavit, testimony or the outcome of the case. But a practitioner may advance, guarantee, or acquiesce in the payment of:
(1)
Expenses reasonably incurred by a witness in attending, testifying, or making an affidavit.
(2)
Reasonable compensation to a witness for the witness' loss of time in attending, testifying, or making an affidavit.
(3)
A reasonable fee for the professional services of an expert witness.