The Upstage membership fees are for a calendar year:
50 Swiss Francs per person
30 Swiss Francs for students, unemployed and pensioners
Membership fees should be paid to the Upstage Post Account (RED payment slip): account number 30-37229-5 for "Upstage, 3000 Bern"
Please note that Upstage does not cover its members for insurance against accidents.
Below is a scanned copy of a Postal payment slip