public int removeAmountPolicyOnCategory(User session, int storeId, string category)
{
Store s = StoreManagement.getInstance().getStore(storeId);
StoreRole sR = StoreRole.getStoreRole(s, session);
if (sR == null)
{
return(-1);
}
return(sR.removeAmountPolicyOnCategory(session, storeId, category));
}