What is the significance of "Subs. by s. 2, ibid., for “seventy years” (w.e.f. 25-1-2020)"?
The phrase "Subs. by s. 2, ibid., for “seventy years” (w.e.f. 25-1-2020)" signifies that the words "seventy years" were substituted for some other duration of time (likely a shorter one) by a section in an act or statute with the reference ID 'ibid'. The substitution came into effect on January 25, 2020.