Lyndon Johnson actually said...
All rules and regulations contained in the Executive order provisions revoked by Section 2 of this order, and all rules and regulations issued under the authority of those provisions, which are in force at the time of the issuance of this order shall remain in full force and effect until revoked, or except as they may be hereafter amended or modified, in pursuance of the authority conferred by this order, unless sooner terminated by operation of law.
08/04/1966