evidence: Get an accessibility expert to audit your building’s accessibility every 3 years, or more regularly if necessary. You could ask a colleague who is very familiar with one of these documents to audit your building's accessibility, or you could find an expert outside your organisation: [...] That will give you prioritised advice about accessibility problems in your building and practical advice on how to solve those problems. A good accessibility expert will often be able to suggest affordable solutions. The National Disability Authority’s Guidelines for Access Auditing of the Built Environment describes the structure of an access audit report that is comprehensive and useful. You can ask an accessibilty expert to use that structure for your report. As soon as possible after the audit, develop an implementation plan for addressing each issue that the report identifies, according to the issues’ priorities. [...] Tips for making your buildings accessible - Audit your building’s accessibility every 3 years.