税法的正式渊源包括（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='27361' and id < 2263658 and id<>'2263658' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='27361' and id > 2263658 and id<>'2263658' order by id asc limit 5