((a)) ** Failure to register or reregister** Every person who is required to register or reregister under section 4101 and fails to do so shall pay a penalty in addition to the tax (if any).

((b)) ** Amount of penalty** The amount of the penalty under subsection (a) shall be—

((1)) $10,000 for each initial failure to register or reregister, and

((2)) $1,000 for each day thereafter such person fails to register or reregister.

((c)) ** Reasonable cause exception** No penalty shall be imposed under this section with respect to any failure if it is shown that such failure is due to reasonable cause.