Has there been any change in these rules over time through constitutional amendments or other legal measures?
Yes, there have been changes in these rules over time through constitutional amendments and other legal measures. The context provided mentions several amendments such as the Constitution (Seventh Amendment) Act, 1956, the Constitution (Fifty-second Amendment) Act, 1985, and the Constitution (Thirty-third Amendment) Act, 1974 which have made alterations to the original text. These changes can be observed in the omitted or substituted sections mentioned in the context.