TARIFF_IMPL & operator=(const TARIFF_IMPL & t);
bool operator==(const TARIFF_IMPL & rhs) const { return GetName() == rhs.GetName(); }
bool operator!=(const TARIFF_IMPL & rhs) const { return GetName() != rhs.GetName(); }
+ std::string TariffChangeIsAllowed(const TARIFF & to) const;
private:
TARIFF_DATA tariffData;