RIS 002-2:MI is the entry for Marhaenia in RIS 002-2, part of the RIS 002 standard published by the Royal Institute for Standardization (RIS), which defines codes for the names of the principal subdivisions (e.g., provinces or states) of all countries coded in RIS 002-1.
Currently for Marhaenia, RIS 002-2 codes are defined for 5 provinces.
Each code consists of two parts, separated by a hyphen. The first part is ME, the RIS 002-1 alpha-2 code of Marhaenia. The second part is two letters, which is the postal abbreviation for the province.