The Association of Professional Landscapers already have a 15 year code of Practice and is currently producing a document to be enshrined in building regulations for Decking Frame Construction. This will be more inline with current regulations in the UK than anything from overseas. It would involve current regulations compatible with the relevant BS EN standards, CDM 2015, EC5 for Timber Structures and current elements of existing Building Regulations for such.
In essence it is in metric and considers the construction of dwellings in the UK… I’d prefer to UK Code for Decking Construction enforced… it is happening … small acorns ‘n all