+ LEFT JOIN tax t ON (t.id= (SELECT tk.tax_id FROM taxkeys tk
+ WHERE (tk.taxkey_id=a.taxkey) AND
+ ((CASE WHEN a.chart_id IN (SELECT chart_id FROM taxkeys WHERE taxkey_id = a.taxkey)
+ THEN tk.chart_id = a.chart_id
+ ELSE 1 = 1
+ END)
+ OR (c.link='%tax%')) AND
+ (startdate <= a.transdate) ORDER BY startdate DESC LIMIT 1))