ESF only customers can Opt-Out so that they are no longer paying; a customer has 10 years ESF contract and the customer has complete completed paying the appliance requirements of an ESF contract, they have an option to opt-out; the majority of the OpCos it is 3 years but for Rwanda the customer has to pay an extra year for ESF before they can opt-out even if they have finished paying for the appliances.
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