Issued in conjunction with the 27th ASEAN Summit in 2015. Functionally similar to XI ASEAN branding: a tiny run attached to summit fleets and delegations, not retailed to the public, making surviving plates diplomatic/protocol artefacts. Key Facts: Issue Date: 2015 Issuance Range: Official allocations only (exact block not publicly confirmed) Rarity: Very limited (event/protocol only) Transfer Rules: Official-use only; effectively non-public