[Your Name]
[Your Address]
[City, State, Zip Code]
[Email Address]
[Phone Number]
[Date]

[Recipient Name]
[Recipient Title]
[Company Name]
[Company Address]
[City, State, Zip Code]

Dear [Recipient Name],

I am writing to inform you of my immediate resignation from my position as [Your Position] at [Company Name], effective today, [Date].

I understand that providing no notice may cause inconvenience, and I sincerely apologize for any disruption this may cause. Due to unforeseen circumstances, I am unable to continue in my role, and I regret that I am unable to provide the customary notice period.

I want to express my gratitude for the opportunities I have had during my time at [Company Name]. I have enjoyed working here and have gained valuable experience and skills that I will carry forward into the next chapter of my career.

Please know that this decision was not made lightly, and I appreciate your understanding of my situation. I will do my best to assist in any way I can remotely to help with the transition during this period.

Thank you for your support and understanding. I wish [Company Name] and the team continued success.

Sincerely,
[Your Name]