The present paper aims to establish the level of guaranteeing the observance of legality in the process of administering justice by intervening sanctions when the requirements of the civil procedural law have been disregarded by the participants in the trial. The present research at master’s level in law is a work, which focuses on the issue of sanctions, which under its various forms of manifestation occurs whenever the requirements of the law have been disregarded. Their research is necessary, because they are necessarily present in the procedural activity. In addition, civil procedural law is often considered a sanctioning right. An analysis of doctrinal opinions, legal provisions and national judicial practice was conducted on the research topics addressed. In this paper are addressed several theoretical issues, related primarily to understanding the very concept of procedural sanction, the role of sanctions, determining civil procedural sanctions, procedural obligations, nullity of procedural documents, classification of procedural sanctions. Based on the results of the research, the gaps, omissions and contradictions in the civil procedural legislation were revealed, being exposed and motivated the practical solutions for the problems and the difficulties encountered by the judicial institutions in imposing an adequate conduct of the participants in the judicial activity in compliance with all the sanctions provided by law.