Government: Capitalize city, state, federal, courthouse, legislature, assembly, and other similar words when used in a formal name. ... Also "City Council" or "General Assembly" when writing about a specific governmental body.
Should I capitalize branches of government?
All government department names and titles of positions are capitalized because they are considered proper nouns.
Do you capitalize executive branch?
Capitalize “Executive” when referring to the President of the United States in such phrases as “Chief Executive” and “Executive Office.” The shortened form of the latter would be “Office.” But executive branch, executive power. Capitalize “Order” when you refer to a specific executive order.