21. Power to issue, to include, power to add, to amend, vary or rescind notifications, orders, rules or bye-laws. -

Where, by any Central Act or Regulation, a power to issue notifications, orders, rules or bye-laws is conferred, then that power includes a power, exercisable in the like manner and subject to the like sanction and conditions (if any), to add, to amend, vary or rescind any notifications, orders, rules or bye-laws so issued.