The provision of postal boxes constitutes a contract of the lease at the end of which the NPO makes a commitment to receive mails addressed to the subscriber when they are sent to him/her at the address appearing opposite, and the NPO bears the responsibility to preserve and put them at the disposal of the subscriber, the box being assigned to him nominative. The rent for the Po box for the company is 30,000Rwf for an annually subscription and Individual is 15000Rwf for an annual subscription.