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A General Amateur Operator Certificate of Competency can be inspected by an authorised officer from the Ministry of Business, Innovation and Employment:

  a.   at any time

  b.   on any business day

  c.   before 9 p.m.

  d.   only on public holidays
Your answer "b" is not correct. "a" is the right answer.

See http://www.legislation.govt.nz/regulation/public/2001/0240/latest/DLM72113.html

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