The British Standards Institution’s Publicly Available Specification ”Guide to good practice in commissioning accessible websites” is now available free of charge.
And despite the swath of frankly ridiculous claims in the Terms and Conditions, it is perfectly legal to cite from this document (citation falls under fair use laws). Additionally, the idea of us
not exploit[ing] the Work or any part of it commercially is ridiculous, because it would mean agencies were unable to inform potential clients about anything in PAS78, or how the agency fulfill PAS78 requirements. Seeing as the entire point of the document is to guide people commissioning websites as to what they ought to be looking for from potential fulfillment agencies, that particular Term effectively puts a noose around PAS78’s own neck. So it’s a good job we can ignore it and cite away.