CCrmSaleHelper::getLocationPropertyId

static function getLocationPropertyId($personTypeId): ?int
{
	if (!Loader::includeModule('sale'))
	{
		return null;
	}

	$dbRes = Invoice\Property::getList([
		'select' => [
			'ID',
			'SORT',
		],
		'filter' => [
			'=PERSON_TYPE_ID' => $personTypeId,
			'=ACTIVE' => 'Y',
			'=TYPE' => 'LOCATION',
			'=IS_LOCATION' => 'Y',
			'=IS_LOCATION4TAX' => 'Y'
		],
		'order' => [
			'SORT' => 'ASC',
		],
		'limit' => 1,
	]);
	$arOrderProp = $dbRes->fetch();
	unset($dbRes);
	if (!$arOrderProp)
	{
		return null;
	}
	$locationPropertyId = (int)$arOrderProp['ID'];

	return $locationPropertyId > 0 ? $locationPropertyId : null;
}