Taxpayers who do not send in their tax return by the deadline will pay a £100 penalty.
exit/early-withdrawal/fixed penalty Savers who try to cash in their bonds in the first five years will usually face fixed penalty charges.
impose/introduce a penalty Regulators prevented the broadband operator from imposing a penalty on customers defecting to other providers.
without penalty Withdrawals can be made without penalty as long as 50 days' notice is given.
face/incur a penalty
financial/hefty/stiff penalties