The Government Says

NSIPs: biodiversity gain statement for development where no national policy statement has effect

NSIPs: biodiversity gain statement for development where no national policy statement has effect
Local copy of biodiversity-gain-statement-for-development-where-no-national-policy-statement-has-effect.pdf

https://www.gov.uk/government/publications/nsips-biodiversity-gain-statement-for-development-where-no-national-policy-statement-has-effect

seen at 10:31, 2 June in Policy papers and consultations.