public function usedVATOnDate($date)
    {
        $period = $this->getPeriod($date);

        return !is_null($period) && !empty($period->getStandardRate());
    }
public function usedVATOnDate($date)
    {
        $period = $this->getPeriod($date);

        return !is_null($period) && !empty($period->getStandardRate());
    }
public function usedVATOnDate ( $ date ) { $ period = $ this -> getPeriod ( $ date ) ; return ! is_null ( $ period ) && ! empty ( $ period -> getStandardRate ( ) ) ; }
Did this country use VAT on the given date.

@param DateTime $date

@return bool
Did this country use VAT on the given date .