Employment agreements are made through the employee's contract. Employee contracts can be written, implied or verbal. A written contract may be standard for certain employees or unique to one. Implied contracts may be through employee standards specified in an company provided handbook, or verbally. Breaches of contract by employee are usually grounds for immediate termination unless otherwise stated in the contract. Breaches of the contract by employer unusual because employers create contracts to fit their needs. Agreements within contracts within contracts may sometimes be invalid if it negates an employees state or federally granted rights. Examples would be, never working for a company's competition or revealing company information.