Hello David 2,
Cooran makes a good point.
If you want to know how to approach right speech ask yourself...
Is it true?
Is it gracious?
Is it helpful?
Is it harmonious?
This makes right speech into a constant practice whenever you have anything to say. Practiced in this way it is not a simple matter of following a rule.
"Beautifully taught is the Lord's Dhamma, immediately apparent, timeless, of the nature of a personal invitation, progressive, to be attained by the wise, each for himself." Anguttara Nikaya V.332