Avoid using italics.
Screen readers interpret italics in different ways.
Users with dyslexia can find italics very difficult to read.
Don’t use italics in headlines.
Use title case not italics for acts and other publications. Link to the source where possible.
Avoid Latin words
Instead of Latin words, use plain English where possible.
avoiding Latin words
a long time — not ad infinitum
See guidance on eg, ie, etc and nb.
An exception would be for scientific names.
Declare the language as Latin in the HTML so the screen reader will pronounce it correctly.