1. by following the correct, official, or established steps and rules required for a particular process
The complaint was filed through proper procedure to ensure it would be reviewed fairly.
A reclamação foi apresentada através do procedimento adequado para garantir que seria analisada com justiça.
2. in accordance with established regulations and protocols
All changes must be approved through proper procedure before implementation.
Todas as alterações devem ser aprovadas através do procedimento adequado antes da implementação.