Confidentiality agreements are very useful to prevent unauthorized disclosures of information, but they have inherent limitations and risks. Time Limitations often range from three years from the date of disclosure to five years from the termination or expiration of the NDA.Start and End Dates of the Partnership: Your NDA can't take effect if you never specify the agreement's start or end dates. Our online form is simple to fill out and readily available to download or print. You can view a sample draft of a Confidentiality Agreement above. A confidentiality agreement serves as a legal contract that prohibits the use or sharing of confidential information. To state the duration of any obligation, you have two choices.