1. Specific rules that apply to a certain situation, group, or context rather than general rules
Each company has its own particular rules for employee conduct.
Cada empresa tem suas próprias regras particulares para a conduta dos funcionários.
2. Customized or special regulations distinct from standard or universal guidelines
The particular rules of this sport differ from international standards.
As regras particulares deste esporte diferem dos padrões internacionais.