The word "proviso" is correct and usable in written English.
Typically, you can use the word "proviso" when you want to specify a restriction or condition for something. For example, "The loan provides funding for up to $10,000, with the proviso that the money must be used for purchasing business equipment."
Even in the UK, more people supported than opposed military action (but with the proviso of a UN resolution and evidence of weapons of mass destruction).
The picture is complex: England has lost 30% of its arts council budget, but with the proviso that only 15% should be passed on to "frontline" arts organisations.
They did so for free; the only proviso being that the local authority should stage a conference to discuss findings.
Given that his overriding proviso for the project was not to hurt her, it is her reaction that must count the most.
These findings come with a proviso, however.
Legislation on the central bank, which includes a proviso allowing it to buy government debt on secondary markets, one of the issues discussed by Mr Belka, is now being worked on by the government.Mr Belka, a former prime minister, IMF official and head of the central bank since 2010, has scrambled to explain himself.
What Germany wants, Germany gets, with one proviso: a new treaty must be ratified by all 27 members of the club.
Any individual or any organisation can give as much soft money as they want to a political party to promote candidates for office, with the sole proviso that the party may not, under any circumstances, suggest people actually vote for the candidate.
And there was a second, even more crucial proviso: any borrowing from private lenders will be counted as public spending.
A country that houses a global banking system has a severe domestic credit shortfall.The Bank of England and the Treasury have tried to loosen the taps through a "funding for lending" scheme, which provides lenders with cheap cash on the proviso they pass it on to households or firms.
It suggests that Britain is less anti-Semitic than most other big European countries, and that, across the continent (including in Britain), Muslims are much more unpopular than Jews.Within Britain, the data on anti-Semitic attacks also turn out to be quietly encouraging, albeit with the proviso that much hate crime goes unreported.
