This system was reverted to the thana system in 1992. Later in 1999 geographic regions under administrations of thanas were converted into upazilas. All administrative terms in this level were renamed from thana to upazila.
The original system was restored to its former state as a thana system in 1992. In 1999, regions under thana control were restructured into upazilas, with all related administrative titles being changed from thana to upazila.