Whether the appeal against the opposition decision was filed within the 30-day deadline under the LPGA.
The appeal was time-barred because the challenged decision had been collected on 2015-09-19, so the deadline expired on 2015-10-19 and the filing reached the court only the next day.
The delivery date shown by the postal track-and-trace record was decisive. The fact that the appellant could not retrieve the letter already on 2015-09-18 did not affect the calculation.