Use sentence case in headings (a capital letter on the first word only, unless later words are proper nouns) but title case for legislation.
Avoid using ALL CAPS as it's bad for accessibility.
No end punctuation on bullets that are fragments — not even the last item.
List items that are full sentences should have sentence punctuation.
Use numerals (NOT words) for numbers in text (most of the time).
Exceptions: don't use a numeral at the start of a sentence; first, second, third.
Examples: 19th century; one or two of them; 1.5 million; a quarter; 1,234,567.
No space between a number and abbreviated units of measurement (eg 100km, 10cm)
Times: 2pm, 2:30pm, 12 noon, 12 midnight
No punctuation in dates; dates should be ordered day, month, year (eg Monday 1 January 2020)
Phone numbers: 03 9600 1234 (hyperlink using the code "tel:0396001234" with no spaces)
Spaced ellipses ( ... )
Don't use ampersand in sentences unless part of an organisation's name. Limit their use in headings etc.
Check any spelling you are unsure of with the Macquarie Dictionary.
Here are some commonly misspelled words/terms:
decision-making (n & adj)
Reviewed 28 March 2019