Section 53-12-40 - Revocation and modification generally(a) A settlor shall have no power to modify or revoke a trust in the absence of an express reservation of such power.(b) A power to revoke shall be deemed to include a power to modify, and an unrestricted power to modify shall be deemed to include a power to revoke.(c) Any revocation or modification of an express trust shall be in writing and signed by the settlor.Added by 2010 Ga. Laws 506,§ 1, eff. 7/1/2010.