private function _convertCloseBillingAgreement($request) {
    
    	$parameters = array();
    	$parameters['Action'] = 'CloseBillingAgreement';
    	if ($request->isSetAmazonBillingAgreementId()) {
    		$parameters['AmazonBillingAgreementId'] =  $request->getAmazonBillingAgreementId();
    	}
    	if ($request->isSetSellerId()) {
    		$parameters['SellerId'] =  $request->getSellerId();
    	}
    	if ($request->isSetClosureReason()) {
    		$parameters['ClosureReason'] =  $request->getClosureReason();
    	}
    	if ($request->isSetReasonCode()) {
    		$parameters['ReasonCode'] =  $request->getReasonCode();
    	}
    
    	return $parameters;
    }