Reply To: Water-proofing expert quits over new law › Flat Chat Strata Forum › From the Front Page › Water-proofing expert quits over new law › Current Page 19/03/2023 at 11:18 pm #67935 Just AskingFlatchatter Sparrow73, the new Design and Building Practioners Act 2020 may provide recourse as it (unusually) has retrospective application. A duty of care is imposed upon the various building professionals, including engineers.