Why is compliance with this word-count requirement so important to the Supreme Court and to many other U.S. courts that it must be attested to in a separate, signed certificate?

But the justices kept blocking a provision that bars already-registered residents from voting by mail or for president until they prove their citizenship.

Lawyers submitting briefs to the Supreme Court in the Donald Trump Colorado ballot case must file a “certificate of word count.” Why? CU expert Derek Kiernan-Johnson explains on The Conversation.