torpid leaf
As the Chinese hegemon, taking an empire-tier vassal outside of China's de jure and set it to protectorate, and see its income becomes wacky. It'll get a lot of gold income, but very little treasury income, which cannot be intended, as they need high treasury income to maintain everything.
torpid leaf
this is an example. fully celestial government Deccan Empire from emperor to counts, and there's a massive imbalance between his gold and treasury income