declare function local:getOthers($item) {
    let $nextItem := $item/following-sibling::*[./TECH_Code_Ligne/text()="0012"][1]
    for $related in $item/following-sibling::*[./TECH_Code_Ligne/text()!="0012"]
    where if($nextItem) then $related << $nextItem else true()
    return $related
};

<Documents>
{
for $r0012 in /root/row
where $r0012/TECH_Code_Ligne/text()="0012"
return
	<Document>
	<r0012>{$r0012/*}</r0012>
	{
	for $r0022 in local:getOthers($r0012)
	where $r0022/TECH_Code_Ligne/text()="0022"
	return
	<r0022>
		{$r0022/GENE_Montant_1}
		{$r0022/GENE_Montant_2}
		{$r0022/GENE_Montant_3}
		{$r0022/GENE_Montant_4}
		{$r0022/GENE_Date_1}
		{$r0022/GENE_Date_2}
		{$r0022/GENE_Taux_1}
		{$r0022/GENE_Taux_2}
	</r0022>
	}
	{
	for $rOther in local:getOthers($r0012)
	where $rOther/TECH_Code_Ligne/text()!="0012" and $rOther/TECH_Code_Ligne/text()!="0022"
	return
	<rOther>
		{$rOther/GENE_Montant_1}
		{$rOther/GENE_Montant_2}
		{$rOther/GENE_Montant_3}
		{$rOther/GENE_Montant_4}
		{$rOther/GENE_Date_1}
		{$rOther/GENE_Date_2}
		{$rOther/GENE_Taux_1}
		{$rOther/GENE_Taux_2}
	</rOther>
	}
	</Document>
}
</Documents>(: Stylus Studio meta-information - (c) 2004-2009. Progress Software Corporation. All rights reserved.

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:)