All registration cancellations received in writing by 9 February 2018 will be fully refunded, less 10% which will be deducted for administrative expenses. For cancellations received after this date, please see the following cases:

(A) For authors of papers

For paper presentation at the HCI International 2018 Conference and publication in the Proceedings, one registration per paper is required by 23 February 2018 (extended deadline). After this date, submitted papers will be forwarded to the Publisher for inclusion in the Conference Proceedings and no refunds will be made.

(B) For authors of posters

For poster presentation at the HCI International 2018 Conference and publication in the Proceedings, one registration per poster is required by 16 March 2018. After this date, submitted manuscripts will be forwarded to the Publisher for inclusion in the HCI International 2018 Conference Proceedings and no refunds will be made.

(C) For non-authors

One-half of the registration will be refunded for cancellations received in writing between 10 February and 31 May 2018. No refunds will be made from 1 June 2018 onwards.

If, for any reason, a tutorial is cancelled, then the tutorial’s registered participants are entitled to transfer their registration to another tutorial or to receive a refund.