Immediate Resignation (Formal)

[Date]

[Manager's Name]
[Company Name]
[Company Address]

Dear [Manager's Name],

I am writing to formally notify you of my resignation from the position of [Your Job Title] at [Company Name], effective immediately as of [Date].

I acknowledge that this notice falls short of my contractual obligation and offer my unreserved apologies for any disruption this may cause. I am willing to assist in whatever capacity is practical to facilitate handover within the constraints of an immediate departure.

Yours sincerely,
[Your Name]