From: roger@hayter.org 
  
 On 1 Aug 2025 at 22:11:10 BST, "Mark Goodge" 
  wrote: 
  
 > On 1 Aug 2025 20:48:43 GMT, Roger Hayter  wrote: 
 > 
 >> On 1 Aug 2025 at 21:29:29 BST, "Mark Goodge" 
 >>  wrote: 
 >> 
 >>> The "definitive map", as published, is a snapshot in time. It is (or 
 should 
 >>> be) a perfect representation of the situation on the ground at the time 
 it 
 >>> is published. However, there is no obligation to re-publish it every time 
 >>> there is a modification. Provided the modifications are stored with the 
 most 
 >>> recent publication of the map, the map is still definitive even though it 
 >>> will become increasingly out of date. That is, the legal situation 
 comprises 
 >>> the map and all associated MMOs, not the map alone. 
 >>> 
 >>> This situation dates back, of course, to the time when the definitive map 
 >>> was on paper, rather than digital (and even older, when the definitive 
 map 
 >>> was hand-drawn lines on paper). These days, it would be possible to 
 insist 
 >>> that a digital version of the map is updated appropriately every time 
 there 
 >>> is an MMO. But no such legal obligation yet exists, and councils have 
 enough 
 >>> other competing demands for resources without adding one that they are 
 not 
 >>> obliged to. 
 >> 
 >> If amendments had to be published as digital maps according to a defined 
 >> format then it would be a simple matter of programming to immediately 
 >> incorporate them in the current digital definitive map. Possibly. 
 > 
 > Yes, but the legislation currently requires the definitive map to be 
 > viewable in person, offline. The current legislation predates the Internet. 
 > So it would need a change of legislation to make a digital version 
 > definitive in itself, rather than merely a copy of the definitive map. 
 > 
 > Mark 
  
 But no legislation at all to make the copy better. 
  
 -- 
  
 Roger Hayter 
  
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