You need to submit a certificate.

Please submit the report by tomorrow.

The submission of the report is due tomorrow.

I can't find my birth certificate.

What should I do to obtain his death certificate?

This certificate of value proves the value of the product.

Please remember to bring your travel documents.

I forgot my identification papers, so I couldn't open an account at the bank.

I had a hard time finding my birth certificate.

May I show you my proof of qualification?