anchor.diff:  http://www.bis.gov.uk/assets/biscore/employment-matters/docs/p/10-1169-pregnancy-and-work-employer,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/32175/10-1169-pregnancy-and-work-employer.pdf,301
   http://www.bis.gov.uk/assets/biscore/employment-matters/docs/p/11-536-phasing-out-default-retirement-age-government-response.pdf,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/31487/11-536-phasing-out-default-retirement-age-government-response.pdf,301
   http://www.bis.gov.uk/assets/biscore/employment-matters/docs/p/11-634-phasing-out-default-retirement-age-impact-assessment.pdf,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/31488/11-634-phasing-out-default-retirement-age-impact-assessment.pdf,301
  -http://www.bis.gov.uk/assets/biscore/employment-matters/docs/p/12-1285-parental-leave-regulations-2013-impact,https://www.gov.uk/government/publications/the-parental-leave-eu-directive-regulations-2013-impact-assessment,301
  +http://www.bis.gov.uk/assets/biscore/employment-matters/docs/p/12-1285-parental-leave-regulations-2013-impact,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/34702/12-1285-parental-leave-regulations-2013-impact.pdf,301
   http://www.bis.gov.uk/assets/biscore/employment-matters/docs/q/12-705-questions-answers-consolatory-payments-icelandic-trawlermen,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/32176/12-705-questions-answers-consolatory-payments-icelandic-trawlermen.pdf,301
   http://www.bis.gov.uk/assets/biscore/employment-matters/docs/r/10-1018-retirement-age-summary-stakeholder,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/32177/10-1018-retirement-age-summary-stakeholder.pdf,301
   http://www.bis.gov.uk/assets/biscore/employment-matters/docs/r/10-1080-retirement-age-summary-research,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/32178/10-1080-retirement-age-summary-research.pdf,301
  
positive.code: http://www.bis.gov.uk/assets/biscore/employment-matters/docs/l/11-742-legislative-measures-to-equal-pay-impact,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/32160/11-742-legislative-measures-to-equal-pay-impact.pdf,301
  http://www.bis.gov.uk/assets/biscore/employment-matters/docs/l/11-742-legislative-measures-to-equal-pay-impact.pdf,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/31558/11-742-legislative-measures-to-equal-pay-impact.pdf,301
  http://www.bis.gov.uk/assets/biscore/employment-matters/docs/m/10-1099-migrant-workers-participation-unison,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/32161/10-1099-migrant-workers-participation-unison.pdf,301
  http://www.bis.gov.uk/assets/biscore/employment-matters/docs/m/12-1267-modern-workplaces-response-flexible-parental-leave,https://www.gov.uk/government/publications/modern-workplaces-consultation-government-response-on-flexible-parental-leave,301
  http://www.bis.gov.uk/assets/biscore/employment-matters/docs/m/12-1268-modern-workplaces-response-flexible-parental-leave-impact,https://www.gov.uk/government/publications/modern-workplaces-consultation-government-response-on-flexible-parental-leave-impact-assessment,301
  http://www.bis.gov.uk/assets/biscore/employment-matters/docs/m/12-1269-modern-workplaces-response-flexible-working,https://www.gov.uk/government/publications/modern-workplaces-consultation-government-response-on-flexible-working,301
  http://www.bis.gov.uk/assets/biscore/employment-matters/docs/m/12-1270-modern-workplaces-response-flexible-working-impact,https://www.gov.uk/government/publications/modern-workplaces-consultation-government-response-on-flexible-working-impact-assessment,301
  http://www.bis.gov.uk/assets/biscore/employment-matters/docs/m/12-1271-modern-workplaces-response-equality-impact-on-flexible,https://www.gov.uk/government/publications/modern-workplaces-consultation-government-response-equality-impact-assessment-eqia-on-flexible-parental-leave-and-flexible-working,301
  http://www.bis.gov.uk/assets/biscore/employment-matters/docs/n/10-1153-national-minimum-wage-non-economic-evidence-2010,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/32162/10-1153-national-minimum-wage-non-economic-evidence-2010.pdf,301
  http://www.bis.gov.uk/assets/biscore/employment-matters/docs/n/11-1006-national-minimum-wage-accommodation-offset-impact-assessment,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/32163/11-1006-national-minimum-wage-accommodation-offset-impact-assessment.pdf,301
  http://www.bis.gov.uk/assets/biscore/employment-matters/docs/n/11-1006-national-minimum-wage-accommodation-offset-impact-assessment.pdf,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/31462/11-1006-national-minimum-wage-accommodation-offset-impact-assessment.pdf,301
  
negative.code: http://www.bis.gov.uk/assets/biscore/business-law/docs/e/12-1162rf-employee-ownership-share-buy-backs-consultation-form.doc,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/32717/12-1162rf-employee-ownership-share-buy-backs-consultation-form.doc,301
  http://www.bis.gov.uk/assets/biscore/business-law/docs/e/12-1165-employee-ownership-and-share-buy-backs-impact,https://www.gov.uk/government/publications/employee-ownership-and-share-buy-backs-impact-assessment,301
  http://www.bis.gov.uk/assets/biscore/business-law/docs/e/12-1165-employee-ownership-and-share-buy-backs-impact.pdf,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/32718/12-1165-employee-ownership-and-share-buy-backs-impact.pdf,301
  http://www.bis.gov.uk/assets/biscore/business-law/docs/e/12-1188-equity-markets-support-growth-response-to-kay-review,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/34633/12-1188-equity-markets-support-growth-response-to-kay-review.pdf,301
  http://www.bis.gov.uk/assets/biscore/business-law/docs/e/12-564-executive-remuneration-discussion-paper-summary-responses,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/31665/12-564-executive-remuneration-discussion-paper-summary-responses.pdf,301
  http://www.bis.gov.uk/assets/biscore/business-law/docs/e/12-564-executive-remuneration-discussion-paper-summary-responses.pdf,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/31381/12-564-executive-remuneration-discussion-paper-summary-responses.pdf,301
  http://www.bis.gov.uk/assets/biscore/business-law/docs/e/12-639-executive-pay-shareholder-voting-rights-consultation,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/31666/12-639-executive-pay-shareholder-voting-rights-consultation.pdf,301
  