From a Funding Agency: 

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I was asked by our delegate from the XX Research Council about  the commitments of a Tier-1 after Run 5 and HL-LHC.

He mentioned that he had seen somewhere data should be available during  LHC operation and for 15 years after the end of the last run.

Another question is whether this is only for data access, or also for  compute capacity.

Do we have a written reference for this somewhere? AFAIK it is not in  the WLCG MoU.

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