Long term Stability study condition

As per zone IVa long term stability study we are conducting at 30°C/65%RH. For those products for which recommended storage condition is 15°C to 25°C, what will be the study condition for both accelerated & long term ?

For this case Zone IVa conditions to be considered as long term conditions and for Accelerated 40°c/75%RH conditions to be considered.