anchor.diff:  http://www.bis.gov.uk/assets/brdo/docs/primary-authority/err-clauses-feb,,410
   http://www.bis.gov.uk/assets/brdo/docs/primary-authority/err-clauses-march,,410
   http://www.bis.gov.uk/assets/brdo/docs/primary-authority/err-update-may,,410
  -http://www.bis.gov.uk/assets/brdo/docs/primary-authority/pa-application-form,,410
  +http://www.bis.gov.uk/assets/brdo/docs/primary-authority/pa-application-form,https://www.gov.uk/government/organisations/better-regulation-delivery-office,301
   http://www.bis.gov.uk/assets/brdo/docs/primary-authority/pa-bill-clauses-guide,,410
   http://www.bis.gov.uk/assets/brdo/docs/primary-authority/pa-case-study-asda,,410
   http://www.bis.gov.uk/assets/brdo/docs/primary-authority/pa-case-study-bandq,,410
   http://www.bis.gov.uk/assets/brdo/docs/primary-authority/pa-case-study-iceland,,410
   http://www.bis.gov.uk/assets/brdo/docs/primary-authority/pa-case-study-moto,,410
  -http://www.bis.gov.uk/assets/brdo/docs/primary-authority/pa-change-agreement-template,,410
  -http://www.bis.gov.uk/assets/brdo/docs/primary-authority/pa-course-1,,410
  -http://www.bis.gov.uk/assets/brdo/docs/primary-authority/pa-course-2,,410
  -http://www.bis.gov.uk/assets/brdo/docs/primary-authority/pa-course-3,,410
  -http://www.bis.gov.uk/assets/brdo/docs/primary-authority/pa-course-4,,410
  -http://www.bis.gov.uk/assets/brdo/docs/primary-authority/pa-cs-slough-superdrug,,410
  -http://www.bis.gov.uk/assets/brdo/docs/primary-authority/pa-determinations,,410
  -http://www.bis.gov.uk/assets/brdo/docs/primary-authority/pa-ehn-asda-pa-feature,,410
  +http://www.bis.gov.uk/assets/brdo/docs/primary-authority/pa-change-agreement-template,https://www.gov.uk/government/organisations/better-regulation-delivery-office,301
  +http://www.bis.gov.uk/assets/brdo/docs/primary-authority/pa-course-1,https://www.gov.uk/government/organisations/better-regulation-delivery-office,301
  +http://www.bis.gov.uk/assets/brdo/docs/primary-authority/pa-course-2,https://www.gov.uk/government/organisations/better-regulation-delivery-office,301
  +http://www.bis.gov.uk/assets/brdo/docs/primary-authority/pa-course-3,https://www.gov.uk/government/organisations/better-regulation-delivery-office,301
  +http://www.bis.gov.uk/assets/brdo/docs/primary-authority/pa-course-4,https://www.gov.uk/government/organisations/better-regulation-delivery-office,301
  +http://www.bis.gov.uk/assets/brdo/docs/primary-authority/pa-cs-slough-superdrug,https://www.gov.uk/government/organisations/better-regulation-delivery-office,301
  +http://www.bis.gov.uk/assets/brdo/docs/primary-authority/pa-determinations,https://www.gov.uk/government/organisations/better-regulation-delivery-office,301
  +http://www.bis.gov.uk/assets/brdo/docs/primary-authority/pa-ehn-asda-pa-feature,https://www.gov.uk/government/organisations/better-regulation-delivery-office,301
   http://www.bis.gov.uk/assets/brdo/docs/primary-authority/pa-extension-overview,,410
  -http://www.bis.gov.uk/assets/brdo/docs/primary-authority/pa-info-sheet-foi,,410
  +http://www.bis.gov.uk/assets/brdo/docs/primary-authority/pa-info-sheet-foi,https://www.gov.uk/government/organisations/better-regulation-delivery-office,301
   http://www.bis.gov.uk/assets/brdo/docs/primary-authority/pa-inspection-plan-proposal,,410
   http://www.bis.gov.uk/assets/brdo/docs/primary-authority/pa-inspection-plan-rationale,,410
  -http://www.bis.gov.uk/assets/brdo/docs/primary-authority/pa-inspection-plan-template,,410
  -http://www.bis.gov.uk/assets/brdo/docs/primary-authority/pa-inspection-plan-template-multiple,,410
  +http://www.bis.gov.uk/assets/brdo/docs/primary-authority/pa-inspection-plan-template,https://www.gov.uk/government/organisations/better-regulation-delivery-office,301
  +http://www.bis.gov.uk/assets/brdo/docs/primary-authority/pa-inspection-plan-template-multiple,https://www.gov.uk/government/organisations/better-regulation-delivery-office,301
   http://www.bis.gov.uk/assets/brdo/docs/primary-authority/pa-it-pa-user-guide,,410
   http://www.bis.gov.uk/assets/brdo/docs/primary-authority/pa-it-system-guide-business,,410
   http://www.bis.gov.uk/assets/brdo/docs/primary-authority/pa-it-system-quickstart-guide,,410
   http://www.bis.gov.uk/assets/brdo/docs/primary-authority/pa-it-user-admin-guide,,410
   http://www.bis.gov.uk/assets/brdo/docs/primary-authority/pa-leaflet-business,,410
  -http://www.bis.gov.uk/assets/brdo/docs/primary-authority/pa-leaflet-local-authorities,,410
  +http://www.bis.gov.uk/assets/brdo/docs/primary-authority/pa-leaflet-local-authorities,https://www.gov.uk/government/organisations/better-regulation-delivery-office,301
   http://www.bis.gov.uk/assets/brdo/docs/primary-authority/pa-logo,,410
   http://www.bis.gov.uk/assets/brdo/docs/primary-authority/pa-logo-card,,410
   http://www.bis.gov.uk/assets/brdo/docs/primary-authority/pa-logo-certificate,,410
  -http://www.bis.gov.uk/assets/brdo/docs/primary-authority/pa-logo-formal-notice,,410
  +http://www.bis.gov.uk/assets/brdo/docs/primary-authority/pa-logo-formal-notice,https://www.gov.uk/government/organisations/better-regulation-delivery-office,301
   http://www.bis.gov.uk/assets/brdo/docs/primary-authority/pa-news-03,,410
   http://www.bis.gov.uk/assets/brdo/docs/primary-authority/pa-news-04,,410
   http://www.bis.gov.uk/assets/brdo/docs/primary-authority/pa-news-05,,410
  
positive.code: http://www.bis.gov.uk/brdo/home/primary-authority/primary-authorities/resources,https://www.gov.uk/government/organisations/better-regulation-delivery-office,301
  http://www.bis.gov.uk/brdo/home/primary-authority/training-for-business,https://www.gov.uk/government/organisations/better-regulation-delivery-office,301
  http://www.bis.gov.uk/brdo/home/publications,https://www.gov.uk/government/publications?keywords=&publication_filter_option=all&topics%5B%5D=all&departments%5B%5D=better-regulation-delivery-office&world_locations%5B%5D=all&from_date=&to_date=,301
  http://www.bis.gov.uk/brdo/home/publications/closed-consultations,https://www.gov.uk/government/organisations/better-regulation-delivery-office,301
  http://www.bis.gov.uk/brdo/home/publications/current-consultations,https://www.gov.uk/government/publications?keywords=&publication_filter_option=consultations&topics%5B%5D=all&departments%5B%5D=better-regulation-delivery-office&world_locations%5B%5D=all&from_date=&to_date=,301
  http://www.bis.gov.uk/brdo/home/publications/top-five-publications,https://www.gov.uk/government/publications?keywords=&publication_filter_option=all&topics%5B%5D=all&departments%5B%5D=better-regulation-delivery-office&world_locations%5B%5D=all&from_date=&to_date=,301
  http://www.bis.gov.uk/brdo/home/regulators-code,https://www.gov.uk/government/publications/regulators-codeOld%20Url,301
  http://www.bis.gov.uk/brdo/home/resources,https://www.gov.uk/government/organisations/better-regulation-delivery-office,301
  http://www.bis.gov.uk/brdo/home/resources/arp,https://www.gov.uk/government/publications/code-of-practice-age-restricted-products,301
  http://www.bis.gov.uk/brdo/home/resources/competency,https://www.gov.uk/government/collections/brdo-professional-development-and-culture-change-resources,301
  
negative.code: http://www.bis.gov.uk/assets/brdo/docs/primary-authority/pa-news-7,,410
  http://www.bis.gov.uk/assets/brdo/docs/primary-authority/pa-news-8,,410
  http://www.bis.gov.uk/assets/brdo/docs/primary-authority/pa-news-9,,410
  http://www.bis.gov.uk/assets/brdo/docs/primary-authority/pa-privacy-policy-business,https://www.gov.uk/government/organisations/better-regulation-delivery-office,301
  http://www.bis.gov.uk/assets/brdo/docs/primary-authority/pa-privacy-policy-las,https://www.gov.uk/government/organisations/better-regulation-delivery-office,301
  http://www.bis.gov.uk/assets/brdo/docs/primary-authority/pa-sample-agenda,https://www.gov.uk/government/organisations/better-regulation-delivery-office,301
  http://www.bis.gov.uk/assets/brdo/docs/primary-authority/pa-sample-cabinet-report,https://www.gov.uk/government/organisations/better-regulation-delivery-office,301
  http://www.bis.gov.uk/assets/brdo/docs/primary-authority/pa-seminar-programme,,410
  http://www.bis.gov.uk/assets/brdo/docs/primary-authority/pa-tc-england-and-wales,,410
  http://www.bis.gov.uk/assets/brdo/docs/primary-authority/pa-tc-northern-ireland,,410
  http://www.bis.gov.uk/assets/brdo/docs/primary-authority/pa-tc-scotland,,410
  http://www.bis.gov.uk/assets/brdo/docs/primary-authority/pa-time-limitations,https://www.gov.uk/government/organisations/better-regulation-delivery-office,301
  http://www.bis.gov.uk/assets/brdo/docs/primary-authority/pa-training-generic-flyer-01,,410
  http://www.bis.gov.uk/assets/brdo/docs/primary-authority/pa-training-generic-flyer-02,,410
  http://www.bis.gov.uk/assets/brdo/docs/primary-authority/pa-westminster-leaflet,https://www.gov.uk/government/organisations/better-regulation-delivery-office,301
  http://www.bis.gov.uk/assets/brdo/docs/primary-authority/pa-winners-2013,https://www.gov.uk/government/organisations/better-regulation-delivery-office,301
  http://www.bis.gov.uk/assets/brdo/docs/primary-authority/pa-wyts-leaflet,https://www.gov.uk/government/organisations/better-regulation-delivery-office,301
  http://www.bis.gov.uk/assets/brdo/docs/publications-2008,https://www.gov.uk/government/organisations/better-regulation-delivery-office,301
  http://www.bis.gov.uk/assets/brdo/docs/publications-2008/08-1561-consumer-survey-2008,https://www.gov.uk/government/publications/local-regulation-perceptions-survey,301
  http://www.bis.gov.uk/assets/brdo/docs/publications-2008/08-1562-legislative-mapping-report,https://www.gov.uk/government/publications/local-regulation-map-of-legislation,301
  