1. Under no circumstances should a Hermann-Mauguin name for a space group setting be combined with a CLEG transform. 2. The only Hermann-Mauguin names allowed in CLEG notation are the 620 found at the BCS listed under "ITA Settings" by the GENPOS program. See cleg_settings.xlsx. 3. White space is preferred but not required. "P 2/c" is preferred to "P2/c". 4. Short names are preferred to full names. "P 2/c" is preferred to "P 1 2/c 1". 5. Extended (multiline) Hermann-Mauguin names are not allowed. 6. Hermann-Mauguin names involving "e" particularly in space groups 67 and 68 when used in CLEG notation always refer to the first-listed occurrence at the BCS general position listing.