31 CFR § 10.24 - Assistance from or to disbarred or suspended persons and former Internal Revenue Service employees.

A practitioner may not, knowingly and directly or indirectly:

(a) Accept assistance from or assist any person who is under disbarment or suspension from practice before the Internal Revenue Service if the assistance relates to a matter or matters constituting practice before the Internal Revenue Service.

(b) Accept assistance from any former government employee where the provisions of § 10.25 or any Federal law would be violated.