Pakistan Legal Practitioners and Bar Councils Rules, 1976 — section 140

140. Clients, not advocates, are the litigants. Whatever may be the ill-feeling existing between clients, it should not be allowed to influence advocates in their conduct and demeanour towards each other or toward the parties in the case. All personal clashes between advocates should be scrupulously avoided. In the trial of a cause it is indecent to allude to the personal history or the personal peculiarities and idiosyncrasies of advocates appearing on the other side. Personal colloquies between advocates which cause delay and promote unseemly wrangling should be carefully avoided.