Addendum a to Standard 147-2013 (March 26, 2018)
Addendum b to Standard 147-2013 (March 26, 2018)
Addendum c to Standard 147-2013 (March 26, 2018)
Addendum d to Standard 147-2013 (March 26, 2018)
Addendum e to Standard 147-2013 (March 26, 2018)
Addendum g to Standard 147-2013 (November 19, 2019)
Addendum h to Standard 147-2013 (November 19, 2019)
Addendum i to Standard 147-2013 (November 19, 2019)
Addendum j to Standard 147-2013 (November 19, 2019)
Addendum k to Standard 147-2013 (November 19, 2019)