Each fund is free to manage its own budget, and used to reimburse medical expenses at the rate it saw fit, however following a number of reforms in recent years, the majority of funds provide the same level of reimbursment and benefits.
Kila hazina ina uhuru wa kusimamia bajeti yake, na ilitumika kulipa gharama za matibabu kwa kiwango ambacho iliona inafaa, hata hivyo kufuatia marekebisho kadhaa katika miaka ya hivi karibuni, fedha nyingi hutoa kiwango sawa cha kurejesha na manufaa.