The Swedish Braille Authority is a governmental council under the auspices of The Swedish Library of Talking Books and Braille (TPB).
The Authority sets rules and recommendations for Swedish braille and promotes the use of braille.
A report on braille and mathematics
“Braille Representation and Mathematics Notation” - a report has been produced as part of the ongoing work with updating braille standards for mathematics and natural sciences. See more about it here.