All commercial rights to CARMA are retained by John Hastings through the University of Wyoming. CARMA is available free of charge to researchers, ranchers, and employees of government agencies. CARMA may be copied free of charge provided that each copy bears this license and copyright notice © 1996-2010 John Hastings through the University of Wyoming.

Because CARMA is licensed free of charge, there is no warranty for the program. CARMA is provided 'as is' without warranty of any kind, either expressed or implied, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose. The entire risk as to the quality and performance of the program is with you. Should the program prove defective, you assume the cost of all necessary servicing, repair or correction.

Due to the highly variable and unpredictable nature of weather and its effect on grasshopper infestations over an entire growing season and beyond, predictions from any source, including CARMA, cannot be expected to be 100% accurate.