Pakistan Legal Practitioners and Bar Councils Rules, 1976 — section 167

167. An advocate should in general refrain from volunteering his legal opinion or addressing any arguments in cases in which such advocate is not engaged unless called upon to do so in open Court by a judge or judicial officer. In advancing any such opinion he must do so with a sense of responsibility and impartiality without any regard to the interest of any party. D - Conduct with regard to the public generally: Pakistan Legal Practitioners & Bar Councils Rules, 1976 111