The prior Executive Order contained a similar requirement now found at Section 3(b)(2)(A) of the newly effective Order requiring that the preemptive effect of the rule be specified.
They thought the orders were duplicated at first. 
mnli hypothesis: They thought the orders were duplicated at first.  premise: The prior Executive Order contained a similar requirement now found at Section 3(b)(2)(A) of the newly effective Order requiring that the preemptive effect of the rule be specified.