Home2012 Treaties and Agreements ...Saint Christopher and Nevis (12-518) – Aerial Intercept Assistance Agreement hide Saint Christopher and Nevis (12-518) – Aerial Intercept Assistance Agreement TIAS Office of Treaty Affairs May 18, 2012 Law Enforcement: Narcotic Drugs Agreement effected by exchange of notes at Bridgetown and Basseterre October 7, 2011 and May 18, 2012; entered into force May 18, 2012. Download attachment [465 KB] Tags Law Enforcement Saint Kitts and Nevis Treaties