Sorin Cosoveanu sent the text of two presidential decrees, Nos. 2009-87 and 2009-88, both promulgated on 2009-03-27. They announce the appointment of various departmental prefects and general secretaries. They are intentionally incomplete as lists of departments, but they mention nine departments that aren't shown below: Arrah, Attiégouakro, Guitry, Kani, M'Batto, Niakaramadougou, Samatiguila, Sandégué, and Transua. No further details are available.

FIPS Publication Change Notice No. 10, affecting FIPS PUB 10-4, was issued on 2006-03-23. It assigns new FIPS codes to the current Ivorian regions, superseding the department codes formerly in effect.

Change Notice 7 to FIPS PUB 10-4 is dated 2002-01-10. It lists the eight new departments which were created in Côte d'Ivoire around 1998.

Change history:

1. ~1970: Côte d'Ivoire was subdivided into 24 departments.
2. ~1974: Bouna department split from Bondoukou; Dabakala department split from Katiola.
3. ~1980: Bongouanou department split from Dimbokro; Issia split from Daloa; Lakota split from Divo; Mankono split from Séguéla; Oumé split from Gagnoa; Soubré split from Sassandra; Tengréla split from Boundiali; Zuénoula split from Bouaflé. At this stage, FIPS codes were assigned to the departments.
4. ~1988: New departments were created. The FIPS codes of departments that lost part of their territory were changed to reflect that fact. (The former FIPS codes of those departments are shown in parentheses.) Grand-Lahou and Tiassalé split from Abidjan (IV02); Tanda split from Bondoukou (IV08); Sinfra split from Bouaflé (IV09); Béoumi, Mbahiakro, Sakassou, Toumodi, and Yamoussoukro split from Bouaké (IV10); Vavoua split from Daloa (IV13); Daoukro split from Dimbokro (IV15); Duékoué split from Guiglo (IV19); Bangolo split from Man (IV22); San-Pédro and Tabou split from Sassandra (IV24).
5. ~1995: Agnibilékrou department split from Abengourou (IV01). The following table shows the 50 departments of Côte d'Ivoire at that time.

1. ~1998: Alépé, Dabou, and Jacqueville departments split from Abidjan; Adiaké and Grand Bassam split from Aboisso; Bocanda split from Dimbokro; Toulépleu split from Guiglo; Tiébissou split from Yamoussoukro. I assigned HASC codes to the 58 departments based on the division into regions as of 2001.
2. 2005: Akoupé department split from Adzopé (former HASC code CI.AG.AZ); Madinani and Minignan split from Odienné (CI.DE.OD); Kouibly split from Man (CI.DH.MN); Zouan Hounien split from Danané (CI.DH.DN); Didiévi split from Tiébissou (CI.LC.TS); Prikro split from Mbahiakro (CI.NC.MB); Nassian split from Bouna (CI.ZA.BO).
3. 2005-10-06: Sikensi department split from Dabou (CI.LG.DU); Bloléquin split from Guiglo (CI.MV.GU); Kounahiri split from Mankono (CI.WR.MK); Koun-Fao split from Tanda (CI.ZA.TD).
4. 2008-03-05: Yakassé Attobrou department split from Adzopé; Koro split from Touba (CI.BF.TO); Guéyo split from Sassandra (CI.BS.SS); Zoukougbeu split from Daloa (CI.HT.DL); Bettié split from Abengourou (CI.MC.AG); Kouto split from Boundiali (CI.SV.BL); Ouangolodougou split from Ferkessédougou (CI.SV.FE); Sinématiali split from Korhogo (CI.SV.KO); Tiapoum split from Aboisso (CI.SC.AO); and Botro split from Bouaké (CI.VB.BK), by decree no. 2008-96.
5. 2008-10-08: Fresco department split from Divo (CI.SB.DV), by decree no. 2008-282.

Other names of subdivisions:

1. Bocanda: Bokanda (variant)
2. Mbahiakro: M'Bahiakro (variant)
3. Sakassou: Sakasso (variant)
4. Tengréla: Tingréla (variant)