NEW!! Select “Flex” to seamlessly switch any time between in-person and online – only 50 Euro!

A “Flex” ticket gives you the flexibility to convert your experience from in-person to online at any time before the congress. With Flex, if you switch, you will receive a full refund of the difference in fees (based on the category and fee applicable at the time of change).

Take the uncertainty out of these uncertain times and choose Flex.

*Standard registration can be switched until August 31, 2022 with a refund of the difference. Full details and cancellation policy below.

Registration fees (In Euro)

Fees apply to payments received prior to the indicated deadlines.

Onsite participation



Physicians – High-income countries 

Physicians – Upper-middle-income countries**

Nurses, Allied Health and other Professionals *** – High-income countries 

Nurses, Allied Health and other Professionals *** – Upper-middle-income countries**

Young SIOP Member

All professionals - Low & Lower-middle-income countries **

CCI Member


Physicians – High-income Countries

Physicians – Upper-middle-income countries**  

Nurses, Allied Health and other Professionals*** – High-income countries

Nurses, Allied Health and other Professionals*** – Upper-middle-income countries**  

All professionals - Low & Lower-middle Income Countries **


Non-profit Advocates and Organizations

until july 7, 2022