Versions of N.Y. New York City Administrative Code 28-305.4 - Maintenance, Inspection and Repair of Retaining Walls on LawServer 2022 N.Y. New York City Administrative Code 28-305.4 – Maintenance, Inspection and Repair of Retaining Walls 2020 N.Y. New York City Administrative Code 28-305.4 – Maintenance, Inspection and Repair of Retaining Walls 2017 N.Y. New York City Administrative Code 28-305.4 – Maintenance, Inspection and Repair of Retaining Walls 2016 N.Y. New York City Administrative Code 28-305.4 – Maintenance, Inspection and Repair of Retaining Walls 2015 N.Y. New York City Administrative Code 28-305.4 – Maintenance, Inspection and Repair of Retaining Walls 2014 N.Y. New York City Administrative Code 28-305.4 – – Maintenance, Inspection and Repair of Retaining Walls 2013 N.Y. New York City Administrative Code 28-305.4 – Maintenance, inspection and repair of retaining walls