The letter means that your insurance company notified DMV that your insurance coverage ended, and that no other company notified DMV of new coverage.
and do you have insurance?
do not
and when would I have to turn in the registration?
If you don't have insurance, you must deliver your vehicle registration and license plates to the DMV immediately.
What if I have insurance?
If you have insurance, follow the instructions in the letter and contact your company or agent about the problem. Ask your company to file a coverage notice with the DMV electronically.
and what should my company do?
Ask your company to file a coverage notice with the DMV electronically.
What if I can't immediately replace my insurance coverage?
If you are not going to immediately replace your insurance coverage, you must turn in your plates.
What if someone does not have insurance?