In Wales, mandatory building standards provide that an agreement must be concluded in accordance with Section 104 before a development can proceed. As this legislation is likely to be implemented in England, it is important that all stakeholders in housing projects understand the process. So what information is needed to apply? It is obvious that the form contains the basics of the land, the developer and all other parties to the agreement under Section 104, as well as the relevant planning conditions, the number of properties, the date of initial occupancy and other standard details. Home / Features / Getting to Grips With. Agreements under Article 104 The Article 104 agreement leads to a drainage system that drains private areas such as roofs and entrances as well as motorway drainage. . . .