Fuel filler confusion

[Bonzo]

As per title really !!

I have read & digested the current draft IVA regulations..........Well to the best of my ability, that is

The issue of the fuel filler location is still a little unclear

My fuel tank is nearing completion, my thoughts now turn to the location of the fuel filler point.

I understand the regs state that the filler point is not to be located within a passenger or luggage compartment.

What I ask of you good folks............. If the rear tub contains only the fuel tank & remains unlined as to prohibit the use of storage.

Will this constitute a luggage compartment !!??

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Looking at the lo-cost option of the filler cap directly fitted to the top of the tank .

Having looked at the cost of external locking aerocaps & sockets ........... I feel quite weak at the knees