I disagree. For example, Roman censors found that accurate census
taking in their provinces was a difficult task at best. To ease the
strain, taxes were assessed as a tithe on entire communities rather
than on individuals. Tax assessments in these communities fell under
the jurisdiction of Provincial governors and various local
magistrates.
The Lunar provinces have nothing that even remotely compares to even
a local county assessor's office. Euglytpus probably has a small
staff that handles the logistics of the Army of Occupation -
probably just an extension of his personal household. They estimate
what Euglyptus needs and apportion that assessment between the
tribes based on intelligence data like that of the Good Rat in KoS.
As the Occupation continues, the intelligence gets better and the
process of apportionment gets easier to administer.
I think that the tax collectors pay Euglyptus in advance of actually
collecting the taxes. These payments were, in effect, loans to the
Governor-General and he is required to pay interest back to the tax
collectors. As an offset, the tax collectors have the individual
responsibility of converting properties and goods collected into
coinage, alleviating this hardship from the treasury. In the end,
the collectors would keep anything in excess of what they bid plus
the interest due from the treasury; with the risk being that they
might not collect as much as they originally bid.
The collection of taxes and the conversion of properties into specie
is presumably handled by leagues and associations (and is probably
given to whatever league is affiliated with the Governor-General).
Presumably the Etyries cult is very tightly linked into the process.