State immunity — Jurisdictional immunity — Employment — Employment at foreign embassy — Employees bringing claim for unfair dismissal — Whether State immune from suit — Immunity in respect of employment of “members of a mission” — Scope of immunity — Definition of member of a mission — Administrative and technical staff — Locally employed persons working at embassy — Whether members of the administrative and technical staff — Distinction between State immunity and diplomatic immunity — Procedure — Application by State for leave to appeal out of time — Whether State litigant entitled to privileges — United Kingdom State Immunity Act, Sections 1, 4 and 16

Diplomatic relations — Diplomatic mission — Members of mission — Administrative and technical staff — Locally employed persons working at embassy — Whether entitled to diplomatic privileges and immunities — Whether members of the mission — Vienna Convention on Diplomatic Relations, 1961, Article 1 — United Kingdom Diplomatic Privileges Act 1964 and State Immunity Act 1978 — The law of England