The Department does not yet have a plan for maintaining the PND and combining its data with NLEDS in future. The Department has changed its plans for integrating the PND with the NLEDS programme several times, and it has now been excluded. The PND, introduced in 2011, is nearing the end of its original lifespan and will need a technology update. The Department intends to establish a separate five-year programme to update the PND, but this will not begin until