The law guiding the league says anyone with conflict of interest will not be allowed to take any role, and since the former midfielder keeps ten percent of shares at Salford, it became hard.
Paul Scholes expects his first attempt at management with Oldham to be scrutinised by Jose Mourinho - although probably not in person.
Salford are vying for promotion, and if they are promoted to the Football League for the first time they could be in direct competition with Sky Bet League Two side Oldham next season.
He added: "That is part of the thing that bugged me a little bit".
"It wasn't something I was quite ready to do and there's obviously been three or four times over the last six years where it could have happened and I've not been quite ready".
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"I wanted to come into this with my full coaching badges and I've got them now".
"I think he'll (Mourinho) be watching results, whether he'll be watching the games I'm not too sure", said Scholes in quotes via The Mirror.
"I have never really understood why players and managers take notice of what pundits say anyway", continued Scholes. They are just giving an opinion on the game and get paid for doing so.
If anyone wants to have a pop at me, I won't take any notice.
There have been reports of interference in team affairs from club owner Abdallah Lemsagam and his brother Mohamed - the club's sporting director - but Scholes is adamant he will not accept that.
Giggs is coach of Wales, Butt heads the United academy, Phil Neville leads the England women's team and Gary Neville had a brief stint in charge of Valencia between spells as England men's team assistant coach.