Before filing my tax return, I requested a copy of my group certificate from HR to confirm last year's income.

Under our company's sick leave rules, employees must complete a self-certification for any absence due to illness lasting up to seven working days.

The certificative seal on the ancient manuscript convinced scholars of its authenticity.

The company requires a doctor's certificate for any sick leave lasting more than two days.

After months of testing, the engineering department started certificating the prototypes to ensure compliance with safety standards.

Please submit a medical certificate from your physician before returning to work.

The archivist attached a certificatory seal to the document to confirm its authenticity.

He presented the certificatory to the magistrate before leaving.

The IT team deployed a certificateless authentication protocol to improve security and reduce overhead.

The company requested medical certificates from all employees returning to work after an illness.