Fingal County Council has sought additional information from the daa on its application to have restrictions on Dublin Airport's new €320 million runway lifted.
The runway is due to become operational next year.
The daa is seeking amendments to the original 2007 planning permission that will allow the use of the 3.1km runway between 6am and midnight and that a noise quota system would be used to dictate the number of night-time flights at the airport.
At the end of a 70 page report into the planning application, Fingal County Council has asked daa to examine the noise impacts of the easing of restrictions over a 10-year to 15-year period and to allow consideration for potentially the worst affected locations and include properties closest to the airport.
The council has also asked daa to provide the number of people who will be 'highly annoyed’ or 'highly sleep disturbed’ by ground and air noise.
The planning application has attracted 205 submissions where State agencies, Tourism Ireland, the Irish Aviation Authority (IAA) and Enterprise Ireland have joined the clamour from the business and aviation sectors to have the restrictions eased.
The submissions include 20 separate air carriers serving Dublin airport calling for the restrictions on the original 2007 permission to be lifted.
IDA Ireland, Ibec, Dublin Chamber and the Irish Exporters Association have also urged daa to lift the restrictions.
Global logistics firms at the airport, DHL, Fed Express and UPS have told the Council that the planning application by daa does not go far enough.
However, a large number of residents in north Dublin are opposed to the plan over the impact the increased noise will have on their residential amenity.
They have been joined by a large number of politicians including the Minister for Children, Roderic O’Gorman, MEPs Clare Daly and Ciaran Cuffe who oppose to the easing of restrictions.
Ciaran Cuffe has told Fingal County Council that this is a time of climate and biodiversity emergency. He stated: "Now is a time to reduce rather than increase the number of flights through Dublin airport."
"Surrounding communities have a right to the peaceful enjoyment of their homes, particularly at night-time," he added.
On the Council request for additional information, aDAA spokesman said: "A request for further information is a normal part of the planning process and we will be engaging with the planning authorities in relation to this."