UPU - Adressing the Worl
The UPU has a white paper on Adressing the World
In the definition of availability of address information the UPU explains the term "public good" as beeing something which is non-excludable. This means the public good can not be excluded from someone.
I send them an e-mail about copyright law in some countries beeing used on postcode databases. The "Deutsche Post" and "British Postal Service" both claim a copyright on the postcode databases.
The copyright means exclusion - The postal companys decide whom to license the database to. So there is an exclusion in place.
The UPUs whitepaper does not talk about legislation needed to protect from certain aspects of the addressing beeing excluded by copyright.
Another issue while wading through the whitepaper is that the paper talks about ISO Standard 19160 and 19115. Both of those Standards are NOT freely available.
ISO 19160 costs CHF 58 and ISO 19115-1:2014 costs CHF 198.
So for even understanding data and metadata by reading through the standard you need to spend CHF256, €211 or $267
Considering that nearly half the world lives from less than $2,50 a day defining something with a standard which is inaccessible to most of the worlds population sounds like a big joke.