Dear {Recipient},

I'm very sorry fordamaging your car. It was a complete accident—unfortunately I {couldn't see where I was going/accidentally stepped on the gas/etc.} and ended up {denting/scratching/etc.} your vehicle.

Nevertheless, I'm taking responsibility for what happened and I'm willing to pay for the repairs or insurance deductible. Please let me know how much I owe you.

Apologies again,
{Your Name}

Dear Officer [Name],

I am writing this letter to express my sincere apology for my unlawful driving.

On [date], I was driving my car on [street] and I regret to inform you that I was driving over the speed limit. I understand that this is a violation of the law and I am deeply sorry for my actions.

I understand that my actions were irresponsible and careless and I take full responsibility for them. I understand that I could have put myself and others in danger and I am deeply sorry for that.

I realize that I have broken the law and I understand that I must face the consequences of my actions. I am willing to accept any punishment that is deemed necessary for my actions.

I have learned from this experience and I can assure you that I will never drive over the speed limit again. I have made a conscious effort to be more aware of the rules of the road and I will do my best to abide by them in the future.

Once again, I apologize for my actions and I am deeply regretful for the mistake that I have made. I understand the seriousness of my actions and I am willing to accept the consequences.

Sincerely,

[Your Name]

Dear [Name],

I am writing to apologize for the unauthorized use of your [property/service]. My actions were thoughtless and careless and I take full responsibility for them.

I understand that my actions were wrong and I regret that I did not think of the consequences before taking them. I understand that I have caused you a great deal of inconvenience and I am truly sorry.

I want to assure you that this was an isolated incident and I will not repeat it in the future. I have learned my lesson and I will take more care in the future.

I am willing to make amends for my mistake. I would like to offer you [compensation/service] in order to make up for my mistake. I hope that this will help to make up for the inconvenience that I have caused you.

Once again, I apologize for my actions and I hope that you can accept my apology.

Sincerely,

[Your Name]

Dear [Name],

I am writing to apologize for my unlawful operation of [vehicle/machine/etc.]. I understand that my actions were wrong, and I take full responsibility for them.

I understand that my actions put myself, as well as others, at risk and that is why I am writing to apologize for my actions. I should have been more responsible and aware of the consequences of my actions. I understand that I have violated the law and I regret my decision.

I am deeply sorry for my actions and I understand that I have caused you a great deal of distress. I understand that I have to face the consequences of my actions and I am willing to accept whatever punishment is deemed necessary.

I have learned my lesson and I will make sure that I never make the same mistake again. I will take the necessary steps to ensure that I am always aware of the laws and regulations that I must abide by. I will also take the time to educate myself on the risks associated with operating [vehicle/machine/etc.] and I will make sure that I always follow the rules and regulations.

Once again, I apologize for my actions and I will do my best to make sure that I never make the same mistake again.

Sincerely,

[Your Name]