Government taxing & spending are part of this "policy", from the Latin for "basket" or "treasury"
TIME For the
... [DOC] [TLE] Fiscal dictionary definition | fiscal defined - YourDictionary [PAR] ... designating or of government policies of spending and taxation designed to 
maintain ... Of or relating to government expenditures, revenues, and debt: a 
fiscal policy of ... French, from Latin fiscalis, from fiscus, money basket, treasury.