NOTES: 5 Provision for incidental expenditure: 1 All fee rates must cover: - the remuneration actually paid to the experts concerned per working day accommodation, expatriation allowances, leave, insurances and security arrangements  and other employment benefits accorded to the experts by the Contractor - administrative costs of employing the relevant experts, such as relocation and repatriation expenses,  - the margin, covering the Contractor's overheads, profit and backstopping facilities - any other expenditure which is needed to implement the contract and which is not covered eslewhere 2 Expert who is defined as instrumental in the Terms of Reference and who are subject to evaluation  as part of the tender. 3 Expert who is not defined as instrumental in the Terms of Reference and who is approved by the Project Manager by administrative order. Note that the input of experts must be given in full working days 4 The annual leave entitlement of experts must not exceed 60 calendar days per year to be invoiced at actual cost. - all incidental expenditure incurred in the course of the contract as required by the Terms of Reference is - any cost related to the payment of an incidental expenditure is included, such as bankcharges. but must be retained for seven years after the final payment is made by the Contracting Authority. - supporting documentation need not be submitted at the time interim invoices are presented for payment  (other than for missions identified in the Terms of Reference). - the provision for incidental expenditure does not cover travel to/from the partner country for experts  - any air travel must be by economy class while long distance train travel may be by 1st class. - Costs for C02 offsetting of air travel may be included. C02 offsetting shall in that case be achieved by supporting CDM/Gold  Standard projects (evidence must be included as part of the supporting documents) or through airplane company programmes  when available. Indicate the place of departure and the destination. If information is not available, enter a global amount.  of posting. The per diem is paid for each 12 hour period away from the normal place of posting. Per 12 hours mission it  - the subsistence costs to experts on missions with a duration of 12 hours or more away from the normal place 2 of 2