If it had a rule, it would not follow it. It fails to abide by the constitution on an everyday basis.
See too 31 USC 1103.
Sec. 1103. Budget ceilingCongress reaffirms its commitment that budget outlays of the United States Government for a fiscal year may be not more than the receipts of the Government for that year.
The only laws that Congress follows are the laws of physics. At some point, the financial house of cards that Congress has created will come crashing down.