Avantages on-line: Swiss motorway sticker discount
As of 4 consecutive days (96 hours required) car parking (P1 & P51 or Valet Parking P1), a discount of up to CHF 40.- (€ 25.-) on your parking charges for the cost of the sticker.
The discount is available exclusively for those living in France with cars registered in one of the following departments:
- Côte d'Or (21), Doubs (25), Drôme (26), Isère (38), Loire (42), Rhône (69), Saône-et-Loire (71), Savoie (73)
- Val d'Aoste (Italie-AO)
Print: Swiss motorway sticker discount voucher & map 
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Conditions:
The documents (items 1 to 5 of the voucher) must be presented on the day of your return. Conditions subject to change without notice. Discounts are granted only in connection with a journey by air leaving from Geneva before 31 January 2011. No discount requests will be entertained subsequently if the above conditions have not been met.