Fun leagues with relaxed registration rules?

[Swaban]

Im ideally looking for somewhere like Denmark where there are very few registration rules (wage of £1000 for a work permit) outside of the top 5-6 leagues so that I can build the league up & farm wonderkids to then sell on for profit to bigger teams / leagues.

 

Ive just finished my Copenhagen save, hence im looking for somewhere other than Denmark.

 

Any recommendations would be appreciated! 

[turnip]

Austria has squad registration, but there aren't really any rules on who you register (other than for Europe, of course). 

Bulgaria allows no more than 5 non-EU players in a match squad, which leaves plenty of wiggle room.

Hungary seems very chill about who you put in your 25-man squad. 

Poland likewise, but you do need 1 Polish under-22 player in your match squad (and two for Cup games).

[MrSinister]

Netherlands, but they might be a too high ranked league for your liking.