This section looks at key issues to be considered to ensure that PPPs can reach the poor and sets out possible legal and contractual mechanisms and solutions to facilitate and incentivize service delivery to the pooC. Innovative pro-poor solutions for billing and collectionD. Output-Based AidE. Technology for the poor - flexibility in service levelsF. Education and informationG. Complaints Systems and Dispute resolution for the poorH. Limited monopoly of service in specific areas