From: roger@hayter.org 
  
 On 1 Aug 2025 at 21:29:29 BST, "Mark Goodge" 
  wrote: 
  
 > On 1 Aug 2025 14:54:27 GMT, Roger Hayter  wrote: 
 >> 
 >> I agree that this is the apparent legal situation. But it may be that a 
 third 
 >> possibility exists: that the 'definitive map' actually exists in a state 
 which 
 >> entails an old map and a set of approved amendments to it which together 
 >> constitutes the 'definitive map'. 
 > 
 > This is precisely correct, yes. 
 > 
 > 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 will become increasingly out of date.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. 
 > 
 > Mark 
  
 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. 
  
 -- 
  
 Roger Hayter 
  
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