Department of Housing, Local Government and Heritage All correspondence between the Department of Environment, Community and Local Government in relation to PRTB’s future function or role in any potential deposit retention scheme and the agency’s capacity to operate such a scheme between dates 10/03/2011 and 19/11/2015. All internal correspondence within the Department of Environment, Community and Local Government in relation to the PRTB’s future function or role in any potential deposit retention scheme and the agency’s capacity to operate such a scheme; between 10/03/2011 and 19/11/2015.