NRL boss Todd Greenberg has issued a warning to players and clubs about the need to maintain standards of behaviour in the off season.

With post season celebrations in full swing for the teams that missed out on a finals berth, the NRL has pledged to continue its drug testing regime out side of the season.

A number of players have tested record positive results in the off season in the past and Greenberg (pictured) was at pains to remind players that they’re obligations remain firmly in place while enjoying their time away from the game.