Renewal of Letter of Approval extends unit approval for a further five year term, conditional on executing a fresh bond. Renewal of Letter of Approval extends a SEZ unit's authorization for an additional five year block on the basis of submitted five year projections of Free on Board export values, Foreign Exchange Outgo, and Net Foreign Exchange earnings. The unit must execute a fresh Bond Cum Legal Undertaking for the extended period and attach the renewal letter to the original Letter of Approval. The form specifies components included within Foreign Exchange Outgo, such as import CIF, repatriation of dividends and profits, royalties, know how fees, payments to foreign technicians, training abroad, export commission, and interest on external borrowings.