Supplementary Protocol between the Government of the United Kingdom of Great Britain and Northern Ireland and the Government of Trinidad and Tobago amending the Agreement for the Avoidance of Double Taxation and the Prevention of Fiscal Evasion with respect to Taxes on Income, singed at Port of Spain on 29 December 1966, as modified by the Protocol signed at Port of Spain on 10 December 1969

Treaty Series 021/1973: Cmnd 5217