The following shows the <OutlineCode> element structure for Microsoft Office Project 2003.
<Project>
				      . . .
				   <OutlineCodes>
				      <OutlineCode>
				         <FieldID/>
				         <FieldName/>
				         <Alias/>
				         <PhoneticAlias/>
				         <Values>
				            <Value>
				               <ValueID>
				               <ParentValueID>
				               <Value>
				               <Description>
				            </Value>
				         </Values>
				         <Enterprise/>
				         <EnterpriseOutlineCodeAlias/>
				         <ResourceSubstitutionEnabled/>
				         <LeafOnly/>
				         <AllLevelsRequired/>
				         <OnlyTableValuesAllowed/>
				         <Masks>
				            <Mask>
				               <Level/>
				               <Type/>
				               <Length/>
				               <Separator/>
				            </Mask>
				         </Masks>
				      </OutlineCode>
				   </OutlineCodes> 
</Project>