"It's fantastic to be working in collaboration with the Home Nations," said British Handball performance director Lorraine Brown.
"The work they've done over the last two years building a foundation for the game will put us in good stead for the future.
"To clarify our role can only benefit the sport and ensure there is a sustainable system for Rio 2016 and into 2020."
Great Britain will now be able to compete at events like the European and World Championships, although Scotland and England will compete in smaller competitions.
GB captain Lynn McCafferty sacrificed living with her husband in a bid to reach London 2012
They will play in such events as the newly formed home internationals tournament, featuring the
Irish Olympic Handball Association.
However, the focus of the English and Scottish teams will be on identifying and developing young talent.
"There is a tremendous influx of new players who are being attracted to the sport of handball," said
chairman Mike Briers.
"The player pathway will offer all of them a real opportunity to progress from junior club players, through the age groups, to GB representation in European, World and Olympic competitions."
Stephen Neilson, of
added: "Scottish players have played a big part in the existing GB teams. We aim to maximise our involvement in the future."
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