Salve reads out from Shanti Conductors (2019) - ... ... Chandrababu Naidu's Case : Live Updates From Supreme Court

Salve reads out from Shanti Conductors (2019) -

"Thus, a statute is not retrospective merely because it affects existing rights; nor is it retrospective merely because a part of the requisite for its action is drawn from a time and antecedents to its passing."

Salve: This is the principle. Halsbury says it and Your Lordships cite it with approval.