Meaning of backdate

1. I had to backdate the contract to reflect the actual start date of the project.
2. The company tried to backdate the invoices in order to avoid late fees.
3. It is illegal to backdate official documents in an attempt to deceive others.
4. The insurance company refused to backdate the policy, so I had to pay a higher premium.
5. The employee tried to backdate his time sheet to make it look like he worked more hours.
6. The professor allowed me to backdate my assignment submission due to a family emergency.
7. The bank mistakenly backdated the transaction, causing confusion in my account balance.
8. The lawyer advised us not to backdate any legal agreements to avoid legal consequences.
9. The software program automatically backdates all entries to the correct date and time.
10. The historical records were backdated to accurately reflect the timeline of events.