Circuit standards, the calendar and pit lane speed limits are not set by Section C, which regulates the car; they are covered by circuit homologation and the Sporting Regulations; No refuelling during a race: fuel may not be added to nor removed from a car during a Race (Article C6.4.4); A cover ...
Why people argue about this
People often assume that the pit lane speed limit of 80 km/h applies universally across all circuits, forgetting that it's only enforced at Grade 1 circuits where Section 3 requires homologation for the playing area. They overlook the distinction between Grade 1 and other circuit types, leading to misunderstandings about which rules apply where.