What does hda do for its members? Healthcare Affordability Issues HDA reviews key priority issues and advocates on behalf of its pharmaceutical distributor members for standards, public policies and business processes that ensure a safe and efficient supply chain. +EventsWhat is the purpose of the hda research foundation? HDA and the HDA Research Foundation produce a variety of resources to enhance the value of the supply chain and increase industry knowledge. SharePrint HomeCan i apply for state funded housing through the hda? Please note that the HDA is a support service for municipalities and provincial departments of human settlements and does not receive or solicit applications for state-funded housing. People requiring information on how to apply for state-subsidised houses should contact their local municipality or provincial department of human settlements.