A warning or caution, or a formal notice in law
[DOC] [TLE] caution [formal warning] definition | English definition dictionary ... [PAR] caution [formal warning] definition, meaning, English dictionary, synonym, see 
also ... 3 (Law) (chiefly Brit) a formal warning given to a person suspected or ... 4 
a notice entered on the register of title to land that prevents a proprietor from... [DOC] [TLE] 33+ HR Warning Letters - Free Sample, Example Format | Free ... [PAR] Warning Letter Templates To Your Rescue While Writing A Formal Warning 
Notice ... without giving him a warning letter, that would be a violation of his 
contract and could give rise to legal issues.