Previous and current POs, elected from among the MSPs, have done so on a voluntary basis, in the interests of politicalneutrality.
BBC: Review of Holyrood presiding officer election rules
2.
He said these letters revealed the Prince's "most deeply held views", they were "particularly frank" and "would potentially have undermined his position of politicalneutrality".
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3.
But the attorney overturned the tribunal's ruling, saying publication of these letters would "forfeit his position of politicalneutrality" and would as such "be seriously damaging to his role as a future monarch".