41. IOR/L/E/9/215 Reference (shelfmark): IOR/L/E/9/215 Title: Collection 30/1 Customs and Duties - Persian drawback rules: establishment of a customs station at Dugdap to prevent loss of revenue to India Collection Area: India Office Records and Private Papers Languages: English Date Range: May 1926-May 1932 Extent: 1 file
42. IOR/L/E/9/256 Reference (shelfmark): IOR/L/E/9/256 Title: Collection 30/40 Customs and Duties - Exemption from customs duty on Air Ministry stores transhipped for the use of Royal Air Force seaplanes Collection Area: India Office Records and Private Papers Languages: English Date Range: Apr 1928-Apr 1929 Extent: 1 file
43. IOR/L/E/9/233 Reference (shelfmark): IOR/L/E/9/233 Title: Collection 30/18 Customs and Duties - Duty on certain articles imported into India from China via Burma over the land frontier Collection Area: India Office Records and Private Papers Languages: English Date Range: Oct 1932-Sep 1941 Extent: 1 file