Public-Sales-Billing form -txt n' logo-What is the right masterform template for GB (great britain)?

I would similar to cognize what is the close Master signifier for GB Billing signifier templates.

I've tried to use: 

SOMU_FORM_MASTER_LETTER
SOMU_FORM_MASTER_A4

Both of them the Header substance (company address) doesn't appears successful the output document.

I've checked and the footer is moving fine, truthful I accidental its thing related to the leafage size.

I've been doing this configuration for Brazil and with A4 the header substance is there, but for GB nary of the 2 options doesnt work.

Thanks.