public final function setCountryISOCode($countryISOCode) {
		if($countryISOCode !== null)
			$this->countryISOCode = mb_strtoupper($countryISOCode);
		else
			$this->countryISOCode = null;
	}
public final function setCountryISOCode($countryISOCode) {
		if($countryISOCode !== null)
			$this->countryISOCode = mb_strtoupper($countryISOCode);
		else
			$this->countryISOCode = null;
	}
public final function setCountryISOCode ( $ countryISOCode ) { if ( $ countryISOCode !== null ) $ this -> countryISOCode = mb_strtoupper ( $ countryISOCode ) ; else $ this -> countryISOCode = null ; }
Set the Country-ISO-Code

@param string|null $countryISOCode - Country-ISO-Code or null for none
Set the Country - ISO - Code