Questions over whether the law forcing the retirement of Chief Ombudsman Peter Boshier is fit-for-purpose in the 21st century.

The near 50-year-old Ombudsmen Act states an ombudsman must resign once they turn 72.

It's meant Boshier's resigned ahead of his birthday on Saturday.

Electoral law expert and barrister Graeme Edgeler says this law doesn't make sense, as the Ombudsman appointment only lasts 5 years.

"It's not like we're appointing someone at 50 who's still going to be doing the job at 80, so it is very different from judges."

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