I hereby certify that the homework assignment was completed on time.
Usage Example in Conversation
A: Hello, I need a document certified.B: Sure, please provide the document and I'll take care of it.A: Here is the document. I hereby certify that all the information provided is true and accurate to the best of my knowledge.B: Thank you. I will review the document and then proceed with the certification.B: The document has been certified. You can now use it as needed.A: Great, thank you for your assistance.