public function reset(): void
    {
        $this->opening = new Record(
            'Opening',
            new Obj(0, $this->date, 'Date'),
            new Text(0, 'AUTOGIRO'),
            new Text(0, str_pad('', 44)),
            new Number(0, $this->bgcNr, 'PayeeBgcNumber'),
            $this->payeeBgNode,
            new Text(0, '  ')
        );
        $this->mandates = [];
        $this->payments = [];
        $this->amendments = [];
    }