According to the United States Constitution ( Article I, Section 8, clause 12 ), army appropriations cannot be for more than two years at a time.
According to the United States Constitution ( Article I, Section 7, clause 1 ), all bills relating to revenue, generally tax bills, must originate in the House of Representatives, consistent with the Westminster system requiring all money bills to originate in the lower house which is why the appropriations bills that are enacted begin with " H. R.
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