Have you asked them for one? VAT receipts need only be issued to VAT-registered ...

to3m on Nov 8, 2015 | parent | context | favorite | on: Amazon and eBay 'liable' if they ignore VAT fraud

Have you asked them for one? VAT receipts need only be issued to VAT-registered buyers, so they might not issue them by default. (I've never dealt with Github, so they might genuinely be being dicks about it.)