No, they will file a claim with their insurance company and their company will talk to your company. Assuming you swapped insurance details.
Without anything damaged, lost or stolen there is nothing to claim.
If your drain field is covered on your insurance policy then you could certainly file a claim on it. Contact your insurer to determine if it is covered,
Yes!
Immediately, your insurer will then advise you of what further steps are necessary to process your claim
Yes you can still file a claim with your insurance hopefully you got the other persons info so ythat you can pass it on to your adjuster.
Only if the other persons insurance covers anybody who drives the car.
If hit a tree and damaged my auto, how long do I have to report it to my insurance company?
File the claim with the executor of the estate. It should include receipts and other appropriate documentation.
Within 24hrs
You can file a claim up to a year after your accident. It is best to do it right away and not wait as this can weaken your claim and cause other issues.
Any time you file a claim you run the risk of your premiums raising due to the labor the insurance company put into your claim.
That's not very likely. The insurance company does not file your claim, they accept your claim notice from you. You have to file your claim with the company, not the other way around.