34,35c34,43
<     <xs:complexType>
<       <xs:sequence>
---
>     <xs:complexType mixed="true">
>       <xs:choice minOccurs="0" maxOccurs="unbounded">
>         <xs:element ref="sos:featureOfInterest"/>
>         <xs:element ref="sos:observedProperty"/>
>         <xs:element ref="sos:procedure"/>
>         <xs:element ref="sos:responseFormat"/>
>         <xs:element ref="sos:responseMode"/>
>         <xs:element ref="sos:resultModel"/>
>         <xs:element ref="sos:time"/>
>         <xs:element ref="gml:boundedBy"/>
39,47c47
<         <xs:element ref="gml:boundedBy"/>
<         <xs:element ref="sos:time"/>
<         <xs:element maxOccurs="unbounded" ref="sos:procedure"/>
<         <xs:element maxOccurs="unbounded" ref="sos:observedProperty"/>
<         <xs:element maxOccurs="unbounded" ref="sos:featureOfInterest"/>
<         <xs:element maxOccurs="unbounded" ref="sos:responseFormat"/>
<         <xs:element ref="sos:resultModel"/>
<         <xs:element ref="sos:responseMode"/>
<       </xs:sequence>
---
>       </xs:choice>
51,58c51
<   <xs:element name="time">
<     <xs:complexType>
<       <xs:sequence>
<         <xs:element ref="gml:TimePeriod"/>
<       </xs:sequence>
<     </xs:complexType>
<   </xs:element>
<   <xs:element name="procedure">
---
>   <xs:element name="featureOfInterest">
68c61
<   <xs:element name="featureOfInterest">
---
>   <xs:element name="procedure">
70c63
<       <xs:attributeGroup ref="xlink:href"/>
---
>       <xs:attributeGroup ref="xlink:href1"/>
74d66
<   <xs:element name="resultModel" type="xs:NMTOKEN"/>
75a68,75
>   <xs:element name="resultModel" type="xs:NMTOKEN"/>
>   <xs:element name="time">
>     <xs:complexType>
>       <xs:sequence>
>         <xs:element ref="gml:TimePeriod"/>
>       </xs:sequence>
>     </xs:complexType>
>   </xs:element>