1. A formal written communication submitted by an employee to their employer stating their intention to leave their job, typically with a specified notice period
She submitted her resignation notice two weeks before her last day of work.
Ela entregou sua carta de demissão duas semanas antes de seu último dia de trabalho.
2. An official document that formally declares an employee's departure from a position or company
The resignation notice must include the effective date and reason for leaving.
A carta de demissão deve incluir a data de vigência e o motivo da saída.