Commencement Notices Details and Spatial Data A commencement notice is a notification to a Building Control Authority that a person intends to carry out either works or a material change of use to which the Building Regulations apply.''Frequently asked questions for commencement notices'http://www.dublincity.ie/Planning/BuildingControl/Pages/FrequentlyAskedQuestionsforCommencementNotices.aspx'The commencement notice data is extracted from the APAS Building Control system and holds details taken from the 'Register of commencement notices.''BuildCMaster.csv contains:''Application Reference: BC_Ref'Application Date: App_Date'Application Type: Commencement Notice or 7 Day Notice 'Proposal: Short Description of proposed development'Location'Decision''Building_Control.csv contains:' 'Application Reference: BC_Ref'App Location: Lat'App Location: Long'App Location: Easting (IG)'App Location: Northing (IG)''Building_Control.gml contains:'' Application Location Boundary'Application Reference: BC_Ref