In Project/Software life cycle client has the rights:
To set objectives for the project and have them followed
To know how long the software project will take and how much it will cost
To decide which features are in and which are out of the software
To make reasonable changes to requirements throughout the course of the project and to know the costs of making those changes
To know the project's status clearly and confidently
To be apprised regularly of risks that could affect cost, schedule, or quality, and to be provided with options for addressing potential problems
To have ready access to project deliverables throughout the project