10 April 2022 Dear Dr Referee Electronic review ----------------- Thank you for agreeing to referee the article (reference: xx0000) Test of new submission system Author(s): A. Author Co-editor: Professor Co-editor You may review this article at the following address: https://submission.iucr.org/submit/a/referee_address/KiK16UOiWaIC30MZ/xx0000 You have supplied the following email address as your contact address for this review: referee@iucr.org We will inform Professor Co-editor that you have agreed to referee this article. Best wishes Managing Editor managingeditor@iucr.org ---------------------------------------------------------------------- IUCr Editorial Office, 5 Abbey Square, Chester CH1 2HU, England Phone: 44 1244 342878 WWW: https://journals.iucr.org/ ----------------------------------------------------------------------