Abbreviations

Abbreviations include acronyms, initialisms, shortened words, and contractions.

In general, when an abbreviation is likely to be unfamiliar to the users, spell out the first mention of the term in the text (not in a heading) and immediately follow with the abbreviation, in parentheses.

For all subsequent mentions of the abbreviation, use the abbreviation.

For example, Goods and Services Tax (GST).