public function getIContact($force = false)
    {
        if ($this->nb_icontact === null || $force) {
            $this->nb_icontact = null;
            if ($this instanceof CNabuDataObject &&
                !$this->isBuiltIn()
                && $this->isValueNumeric(NABU_ICONTACT_FIELD_ID)
            ) {
                $nb_icontact = new CNabuIContact($this->getValue(NABU_ICONTACT_FIELD_ID));
                if ($nb_icontact->isFetched()) {
                    $this->nb_icontact = $nb_icontact;
                }
            }
        }

        return $this->nb_icontact;
    }