Here is the link where you can find the rules currently in place. I expect that they will be updated to reflect the next academic year and any revisions or new rules if any shortly. {Maybe investigative sports reporter may find out if there is any new rules, Forrest excluded}
Warning, its a PDF file.
http://www.texastech.com/manual/graphics/pdfs/2014-2015-SAHandbook.pdf
Warning, its a PDF file.
http://www.texastech.com/manual/graphics/pdfs/2014-2015-SAHandbook.pdf