Please only use this if you are affected by our Invoice Error and wish to pay the difference
Dates: 03/09/2021 - 06/09/2021
Location: Online
Please only use this if ~~~~~ 1. you received a corrected Invoice from us AND 2. you have already paid the initial invoice and you wish to pay the resulting deficit online ~~~~~~~ Otherwise please use bank transfer instead
Please only use this if
1. you received a corrected Invoice from us
AND
2. you have already paid the initial invoice
and you wish to pay the resulting deficit online
Then choose either the €50 payment (single invoice correction)
or the €100 payment option (congress and membership invoice correction)
Otherwise please use bank transfer instead
