<?xml version="1.0"?>
<fes:Filter
   xmlns:fes="http://www.opengis.net/fes/2.0"
   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
   xsi:schemaLocation="http://www.opengis.net/fes/2.0 http://schemas.opengis.net/filter/2.0/filterAll.xsd">
   <fes:And>
      <fes:Or>
         <fes:PropertyIsEqualTo>
            <fes:ValueReference>FIELD1</fes:ValueReference>
            <fes:Literal>10</fes:Literal>
         </fes:PropertyIsEqualTo>
         <fes:PropertyIsEqualTo>
            <fes:ValueReference>FIELD1</fes:ValueReference>
            <fes:Literal>20</fes:Literal>
         </fes:PropertyIsEqualTo>
      </fes:Or>
      <fes:PropertyIsEqualTo>
         <fes:ValueReference>STATUS</fes:ValueReference>
         <fes:Literal>VALID</fes:Literal>
      </fes:PropertyIsEqualTo>
   </fes:And>
</fes:Filter>