Only the spousal support and child support paragraphs of this agreement may be varied if there is a material change in the existing financial circumstances of the parties, whether such change is foreseeable or not. Without limiting the generality of the foregoing, a material change in the income of the wife or the husband, the needs of the children, the loss of employment by either of the parties, the change in health of the parties, the retirement of either of the parties or any other foreseeable or unforeseeable circumstance which materially changes the existing or future financial position of the parties will be a basis for a variation application. Use of non-disclosure agreements are on the rise in India and is governed by the Indian Contract Act 1872. Use of an NDA is crucial in many circumstances, such as to tie in employees who are developing patentable technology if the employer intends to apply for a patent. Non-disclosure agreements have become very important in light of India's burgeoning outsourcing industry. In India, an NDA must be stamped to be a valid enforceable document. Some information should not be shared. It’s not because they are not worthy to be shared, but for the majority to be safe and ensure security in the company. Tenant will comply with the rules of the Building adopted and altered by Landlord from time to time and will cause all of its agents, employees, invitees and visitors to do so; all changes to such rules will be sent by Landlord to Tenant in writing. The initial rules for the Building are attached hereto as Exhibit “A” and incorporated herein for all purposes. Here are some example of clauses from Coca Cola’s Agreement on Confidentiality, Non-Competition and Non Solicitation where Coca-Cola limited the disclosure period for ordinary confidential information to 2 years after termination of employment but required indefinite confidentiality for its trade secrets.