Brian,

Whereever postal code is empty, it fails -
    <name>Oriental Riverside Hotel - Pudong Shanghai</name>
    <address1>No. 2727, Riverside Ave., Pu</address1>
    <address2/>
    <address3/>
    <city>SHANGHAI</city>
    <stateProvince/>
    <country>CN</country>
    <postalCode> </postalCode>
    <airportCode>SHA</airportCode>


Here is the XML that works -
  <Hotel>^M
    <hotelId>117451</hotelId>^M
    <name>Days Inn - Seattle Downtown</name>^M
    <address1>2205 7th Ave</address1>^M
    <address2/>^M
    <address3/>^M
    <city>SEATTLE</city>^M
    <stateProvince>WA</stateProvince>^M
    <country>US</country>^M
    <postalCode>98121</postalCode>^M
    <airportCode>SEA</airportCode>^M
    <lowRate>79.0</lowRate>^M
    <highRate>89.0</highRate>^M
    <rateCurrencyCode>USD</rateCurrencyCode>^M
    <latitude>47.61671</latitude>^M
    <longitude>-122.34011</longitude>^M
    <shortDescription>&amp;lt;b&amp;gt;Location.&amp;lt;/b&amp;gt;&amp;lt;br&amp;gt; 
&amp;lt;ul&amp;gt; &amp;lt;li&amp;gt;The Days Inn - Seattle Downtown is 
located in Seattle, Wash.</shortDescription>^M
    <thumbNailUrl>/hotels/thumbs/SEA_DITC-exter-1-thumb.jpg</thumbNailUrl>^M
    <supplierType>H</supplierType>^M
    <location>DOWNTOWN</location>^M
    <propertyRating>2.0</propertyRating>^M
    <propertyType>1</propertyType>^M
    <marketingLevel>1</marketingLevel>^M
    <hasMap>true</hasMap>^M
    <hotelInDestination>true</hotelInDestination>^M
    <referenceProximityDistance>11.467874</referenceProximityDistance>^M
    <referenceProximityUnit>MI</referenceProximityUnit>^M
    <HotelProperty>^M
      <specialRate>N</specialRate>^M
      <promoDescription>Fall &amp;amp; Holiday 
Sale!</promoDescription>^M
      <promoType/>^M
      <promoDetailText/>^M
      <ValueAdds>^M
        <valueAdd id='2048'>Free Wireless Internet</valueAdd>^M
        <valueAdd id='2'>Continental Breakfast</valueAdd>^M
      </ValueAdds>^M
      <hrnQuoteKey>098A66135610001269</hrnQuoteKey>^M
      <currentAllotment>-1</currentAllotment>^M
      <propertyId>16017</propertyId>^M
      <propertyAvailable>true</propertyAvailable>^M
      <propertyRestricted>false</propertyRestricted>^M
      <roomDescription>Standard room</roomDescription>^M
      <roomTypeCode>107441</roomTypeCode>^M
      <rateCode>247324</rateCode>^M
      <RateInfo>^M
        <displayCurrencyCode>USD</displayCurrencyCode>^M
        <DisplayNightlyRates size='2'>^M
          <displayNightlyRate>79.0</displayNightlyRate>^M
          <displayNightlyRate>89.0</displayNightlyRate>^M
        </DisplayNightlyRates>^M
        <displayRoomRate>197.01</displayRoomRate>^M
        <chargeableRoomRateTotal>197.01</chargeableRoomRateTotal>^M
        <chargeableRoomRateTaxesAndFees>29.01</chargeableRoomRateTaxesAndFees>^M
        <nativeCurrencyCode>USD</nativeCurrencyCode>^M
        <NativeNightlyRates size='2'>^M
          <nativeNightlyRate>79.0</nativeNightlyRate>^M
          <nativeNightlyRate>89.0</nativeNightlyRate>^M
        </NativeNightlyRates>^M
        <nativeRoomRate>197.01</nativeRoomRate>^M
        <rateFrequency>B</rateFrequency>^M
      </RateInfo>^M
      <PromoRateInfo>^M
        <displayCurrencyCode>USD</displayCurrencyCode>^M
        <DisplayNightlyRates size='2'>^M
          <displayNightlyRate>79.0</displayNightlyRate>^M
          <displayNightlyRate>89.0</displayNightlyRate>^M
        </DisplayNightlyRates>^M
        <displayRoomRate>197.01</displayRoomRate>^M
        <chargeableRoomRateTotal>197.01</chargeableRoomRateTotal>^M
        <chargeableRoomRateTaxesAndFees>29.01</chargeableRoomRateTaxesAndFees>^M
        <nativeCurrencyCode>USD</nativeCurrencyCode>^M
        <NativeNightlyRates size='2'>^M
          <nativeNightlyRate>79.0</nativeNightlyRate>^M
          <nativeNightlyRate>89.0</nativeNightlyRate>^M
        </NativeNightlyRates>^M
        <nativeRoomRate>197.01</nativeRoomRate>^M
        <rateFrequency>B</rateFrequency>^M
      </PromoRateInfo>^M
    </HotelProperty>^M
  </Hotel>^M
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