What is An attestation clause is?

a clause in a contract of employment that states that any communication from the employee is honest and accurate and that if any false statement is made during the course of their employment could be grounds for dismissal

a clause on a job application that states that the information provided by the potential employee is true and complete and that any false statement may disqualify the potential employee or be grounds for dismissal

a clause in a job posting that advises that any false statements made by the potential employee could result in their disqualification

all of the above