It was disallowed because it wasn’t submitted on time for certification. It showed an approximate gain of 260 votes for Murphy, but it was so tainted with anomalies and glitches it was highly suspect in terms of accuracy.
Secondly, is the State investigating the possibility of actual criminal activity in the County, where the suspicious count took place? I can understand the Congressman's decision, based upon the information his lawyers obtained. But if there were a couple of hundred fraudulent votes, or deliberately miscounted votes, the State ought to investigate fully. That is another question, altogether.