IF statements in mail merge with results displayed based on date of letter

[ajh19742000]

Hi,
I would like to develop some IF statements within a mail merge that display results based on if a date is greater or less than the date the letter is produced?
For example
{if date letter is produced <=13/11/19 then "example text 1"}
{if date letter is produced >13/11/19 but <=29/2/2020 then "example text 2"}
{if date letter is produced >29/2/2020 but <=6/6/2020 then "example text 3"}

Is this possible at all and what would be the code? The date letter is produced field would be the Insert>date and Time field within the Insert menu.


Hope that makes sense.
Andy