1. A required procedure, step, or ceremony that must be followed in legal or administrative proceedings according to law or regulation
The court dismissed the case due to a breach of procedural formality.
O tribunal rejeitou o caso por violação de formalidade processual.
2. Technical or ceremonial requirements established by law that must be observed in judicial or administrative processes
Proper notification is an essential procedural formality in civil litigation.
A notificação adequada é uma formalidade processual essencial no processo civil.