If you are not yet registered on esa-star, please do so asap. esa-star registration user manual can be found here : https://esastar-emr.sso.esa.int/Account/DownloadFile
Tutorial on how to open a BRA : http://www.esa.int/ESA_Multimedia/Videos/2016/03/Bidder_Restricted_Area_creation_and_structure
You should create a BRA asap once you’ve been granted permission to proceed to the Proposal Part 2 stage. Make sure that you change the default name “New Proposal” to a more significant name.
For any further questions on esa-star, please contact esait.service.desk@esa.int