A sample employee agreement to protect confidential information. A client confidentiality agreement is a contract between a company and its client where the parties agree not to disclose certain information.Hold the Confidential Information received from Company in strict confidence and shall exercise a reasonable degree of care to prevent disclosure to others;. B. Confidentiality clauses, also known as nondisclosure agreements, prevent the signing party from divulging sensitive information. A Warning Letter to Employee for Disclosing Confidential Information is a formal reprimand issued to an employee who breaches confidentiality. If the employee fails to provide complete and sufficient medical certification, his or her FMLA leave request may be denied. 29 C.F.R. § 825.313. Information. San Antonio College Employees.