Acceptance by silence is a type of acceptance of a contract. Generally a contract cannot be accepted by silence. However, a contract will be considered as accepted even in case of silence in the following cases:
1. in case of past dealings of the parties;
2. in case if the offeror has waived communication by indicating that acceptance may be made by silence or inaction;
3. if one party requests to change the terms of the contract; and
4. offer to renew an insurance policy is sent to the insured.