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Old 23rd March 2019 | 13:32
  #21 (permalink)  
lomapaseo
 
Joined: Mar 2002
Posts: 4,569
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From: Florida
Grandfathering coupled with millions of hours of experience goes a long way in demonstrating compliance with today's standards.

It doesn't mean that you do not have to comply with lessons learned in the basis of subsequent rule changes
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