The MLPN claimed to represent the principles of Maoism against the "heresies" of the official pro-USSR Communist Party of the Netherlands. It never had more than a dozen real members, none of whom were aware of its actual purpose. Notwithstanding this, Boevé was able to cultivate many contacts within the Chinese government. He frequently received gifts and travelling expenses from the Chinese government and on one occasion was the guest of honour at a banquet presided over by Zhou Enlai.
[Old article] Dutch maths teacher admits fake communist party scam that fooled Mao Zedong
Archaplain OP wrote
https://en.wikipedia.org/wiki/Marxist%E2%80%93Leninist_Party_of_the_Netherlands