This module is released under the same terms as Perl itself. You can redistribute it and/or modify it under the terms of either:

a) the GNU General Public License as published by the Free Software Foundation; either version 1, or (at your option) any later version, or

b) the "Artistic License" which comes with Perl.

On Debian systems, the complete text of the GNU General Public License can be found in /usr/share/common-licenses/GPL and the Artistic License in /usr/share/common-licenses/Artistic.