This from the Texas Fishing and Hunting Regulations

Page 60

http://www.tpwd.state.tx.us/publicat..._2013_2014.pdf

Restricted Methods

• It is unlawful for any person, while hunting or engagingin recreational shooting, to knowingly discharge a firearm in such a fashion as to cause a projectile to cross a property line, unless the person owns the property on both sides of the property line or has obtained written permission from theowner of any land crossed by the projectile.