• проживающий на законном основании – legally residing
См. также: на балансе, на добровольной основе, на моём веку, на первый взгляд кажется
He added: “What the proposals that we have set out do is define exactly how, on a legal basis, we can have a referendum on independence – that is the Government’s preferred option and that’s the strategy that we will pursue should be successful in securing a majority in favour of that proposition in the elections in May. (The Herald)
"Ripa put physical surveillance on a legal basis but that doesn't make it right or morally right - it just covers the back of local authorities, but at huge expense," Mr Davies said. (BBC News)
