https://www.mofa.go.jp/j_info/visit/visa/short/novisa.html#notice04
日本將BNO當做"citizens of Hong Kong",而且係要有"right of residence in Hong Kong"先有免簽,如果特區護照冇咗免簽可能BNO都會有影響。不過歐盟就唔一定,因為佢係將BNO同BOC,BOTC之類當做"British citizens who are not nationals of the United Kingdom of Great Britain and Northern Ireland for the purposes of Union law."而同時免簽,所以應該唔會只係取消BNO。