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“The time limits established in this Law are non-extendable. Failure to observe the established time limits will give rise to preclusion and the opportunity to carry out the act in question will be lost.”
The consequences are as sharp as they are frequent: the inadmissibility of a claim, the loss of an appeal, the exclusion of essential evidence, or the impossibility of making submissions that could have tipped the balance of the case. Added to this is the possible incurrence of professional liability, which cannot always be avoided by a mere allegation of human error.
Preclusion: an impassable procedural boundary
In strict terms, preclusion means the extinguishment of the procedural power because the appropriate moment for its exercise has passed. It is not a mere correctable irregularity, but a true procedural expiry, with radical and immediate effects. The logic of the proceedings imposes an orderly sequence of acts and, consequently, a penalty on anyone who fails to comply: the closure of the step and the impossibility of turning it back.
It is no exaggeration to say that a significant proportion of inadmissibility rulings in civil proceedings —especially in appeals and cassation— arise from errors in the calculation, interpretation or management of time limits.
Among the most common situations that give rise to preclusion we find:
• Errors in the calculation of working or non-working days (especially with the month of August, local holidays or late electronic notifications).
• Confusion between procedural and substantive time limits.
• Failure to comply with cure periods (art. 231 LEC).
• Filing of pleadings out of time due to failures in LexNET or similar systems.
• Steps not taken due to omission by the procedural attorney or the lawyer, without effective mutual communication.
In these cases, the court’s reaction is usually immediate: inadmissibility, closure, loss of the procedural step… And, except in clear and justified exceptions, the precluded act cannot be restored.
The room for action exists, but it is limited. Incidents of nullity of proceedings may be raised where there are notification defects or violations of the right to effective judicial protection (art. 24 CE), as well as extraordinary appeals in very specific cases. However, the burden of argument and proof falls entirely on the person invoking the damage, and the courts maintain a strictly rights-protective approach, but not indulgent towards negligence.
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