As far as revenue neutrality is concerned, the ultimate say is analysis of CBO which will come when request by House Ways and Means. That is the only analysis that will mean anything as regards the legal requirement for such.
You must realize HR2525 is not a highly funded project, it is a grassroots effort being done on a very tight budget from person contributions and individual support. Most of the economic and statistical work was done back in 1997 with the writing of the bill for introduction into the House. This is not some party effort, it received its initial kick off from a group of small businessmen from Huston.