Even with the Left Military Governorate subtly increasing shale oil production each passing year, the IRS would just ignore that. However, they were always monitoring closely every cent flowing in and out of their organization.
Naturally, an increase in oil production means hundreds of millions in additional profits, but it couldn't be sold through standard distributors, since they had to keep it secret from Fleur Griffin.
That was why the Left Military Governorate would first sell their stoc