The Human Transplantation Bill for Wales has been laid before the National Assembly.
The introduction of the bill begins the formal process of its consideration by the Assembly legislation for a soft opt-out system of organ and tissue donation in Wales.
It coincides with the launch of a new campaign by the Welsh Government aimed at encouraging people to consider becoming organ donors.
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Stars of Team GB at this years' Olympics were in Wales today, as part of ITV's I Am Team GB campaign.
As Wales gets involved in the country's biggest sports day - Our Olympians have been getting in on the action.
ITV switched off all of its channels for an hour on Saturday as part of a national sports day event.