Answer: They meet to enquire into the condition of the districts.
Step-by-step explanation:
The purpose of the council meeting every fourth year is that yhey meet to enquire into the condition of the districts.
A representative council meeting at the vernal equinox every 4th year. The meeting sometimes takes place for five or six days.
During the meeting, the conditions and state of the districts are enquired and in a case of deficiency in oats, hays etc, they're being supplied with the oats or hay neded.