51Implied covenants may be negatived

51 Implied covenants may be negatived (1) Subject to this Act, a covenant, power or other provision implied under an Act has the same force and effect and may be enforced in the same manner as if it was set out in the instrument in which it is implied. (2) A covenant, power or other provision referred to in subsection (1) may, subject to a provision to the contrary in an Act, be negatived, varied, or extended: (a) expressly in the instrument in which it is implied; or (b) by another instrument. (3) A covenant, power or other provision that is varied or extended in accordance with subsection (2) operates, to the extent that it may, in the like manner and with all the like incidents, effects and consequences as if the variation or extension was implied under the Act that implied the covenant or power.