Applications for a six-month period become available on the first day after the end of that period and remain active for a calendar year. For example, applications covering from 1st January to 30th June 2021 became available on 1st July 2021 and can be submitted up to 30th June 2022. Applications covering from 1st July to 31st December 2021 became available on 1st January 2022 and can be submitted up to 31st December 2022. That means that applications for a specific six-month period are accepted up to a calendar year from the end of that period.