grace period

US /ˈɡreɪs ˌpɪr.i.əd/
UK /ˈɡreɪs ˌpɪr.i.əd/
"grace period" picture
1.

a period of time after a payment is due, during which no penalties are incurred

:
The bill is due on the 1st, but there's a 10-day grace period.
Make sure to pay before the grace period ends to avoid late fees.
2.

a period allowed for an employee to adjust to a new job or for a new law to take effect before full enforcement

:
New employees often get a grace period to learn the ropes.
The new regulations have a six-month grace period before full enforcement begins.