Version 1 of BSI Flex 5555 Community face covering specification is now available to download on the following link: https://www.bsigroup.com/en-GB/topics/novel-coronavirus-covid-19/community-face-coverings?utm_source=pardot&utm_medium=email&utm_campaign=SM-STAN-LAU-HLTH-FaceCoverings%2FFLEX-2101
Alternatively, you may also download the document here.