Unless it's going to SCOTUS, doesn't matter. There is no constituonal mechanism for "decertification." Post Jan 6th, this became a 100% judicial matter that only the Court can remedy (with the enforcement backing of the military). In reality, it became a judicial matter post Dec 14th after ineligible Electors cast illegal votes, but since the sections of the ECA 1887 that were codified into 3 USC have yet to be challenged and voided as unconstitutional (Constitution never gave unilateral power to Congress to judge the constitutionality of state appointment of Electors), here we are...