CIntranetAuthProvider::OnAfterUserAdd

static function OnAfterUserAdd($arFields)
{
	if (isset($arFields["UF_DEPARTMENT"]) && isset($arFields["ID"]))
	{
		// recalculate for user himself
		CAccess::RecalculateForUser($arFields["ID"], self::ID);

		// recalculate for users's managers
		static::RecalculateManagers($arFields["UF_DEPARTMENT"], $arFields["ID"]);
	}
}