Post Office Monthly Income Account: 7.7% per annum interest for deposits made on or after 1 October 2016. The amendment inserts clause (n) into rule 8(1) of the Post Office (Monthly Income Account) Rules, 1987, fixing the interest rate at 7.7 per cent per annum for deposits made on or after 1 October 2016; the rules are made under section 15 of the Government Savings Banks Act, 1873 and are deemed to have come into force on 1 October 2016.