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The DOI Foundation has contractual agreements for provision and persistence of the Handle System with the DOI technical support service provider who:

•provides technical and operational support for the DOI System

•usually manages the Local Handle Services used in the DOI System (DOI LHS). A Registration Agency (RA) can choose to install and use the Handle LHS responsible for their DOI names (A Prefix LHS will always be managed by the technical support service provider.).