Error Detection

Find the part of the sentence that contains an error: The report lacks a clear justification (1)/ for the measures undertaken (2)/ and overlooks the impact (3)/ on a environment.(4)

Find the part of the sentence that contains an error: The report, which the internal auditor had insisted (1)/ should have been submitted before the board meeting, (2)/ were eventually uploaded (3)/ two hours after the deadline.(4)

Find the part of the sentence that contains an error: If she be found guilty of any misconduct during her tenure, (1)/ The disciplinary committee reserves the right (2)/ to withhold her pending dues (3) / or initiate further legal action.(4)