I regret to notify you that you will no longer be employed with [Company name] as of [Termination date]. Because of [Insert cause for termination], we believe this is the wisest decision. [This is the last stage in our administrative process/ a judgment we took following the completion of your Improvement Plan, which began on _date.]
You will no longer be entitled to any salary or benefits related to your position after [Termination date]. Please return [business property that needs to be returned] to the Human Resources division by [Date].
You are eligible for your compensation until [Termination date], plus we will reimburse you for any remaining vacation days. We’ll also offer you a [Amount] severance payout. [You’ll get a separate letter from us with all the details on the compensation or other information you’re entitled to.]
You stated that non-solicitation, and non-disclosure agreement, so keep that in mind. You must promptly erase any information on our customers, workers, or other stakeholders that you have on print or on your digital phones. I’m available to answer any queries or provide clarifications for up to  working days following your day after the job.
We wish you all the best.
[Your signature and name]