For the maintenance period consecutive to the merger, the reserve requirement of the acquiring institution is calculated on the basis of a reserve base aggregating the reserve bases of the acquiring institution and of the merging institutions.
Ühinemisele järgneval hoidmisperioodil arvutatakse ühendava asutuse kohustuslik reserv reservibaasi alusel, millesse koondatakse ühendava asutuse ja ühinevate asutuste reservibaasid.