(1) An officer or employee of the United States Government or of the District of Columbia government may not
(A) make or authorize an expenditure or obligation exceeding an amount available in an appropriation or fund for the expenditure or obligation;
(B) involve either government in a contract or obligation for the payment of money before an appropriation is made unless authorized by law;
(C) make or authorize an expenditure or obligation of funds required to be sequestered under section 252 of the Balanced Budget and Emergency Deficit Control Act of 1985; or
(D) involve either government in a contract or obligation for the payment of money required to be sequestered under section 252 of the Balanced Budget and Emergency Deficit Control Act of 1985.