Except as provided by statute, the tax must be paid at the time prescribed in § 40.6071(a)-1 for filing the return, and at the place prescribed in § 40.6091-1 for filing the return.
26 C.F.R. §40.6151(a)-1
Except as provided by statute, the tax must be paid at the time prescribed in § 40.6071(a)-1 for filing the return, and at the place prescribed in § 40.6091-1 for filing the return.
26 C.F.R. §40.6151(a)-1