So I was checking the general usage of commas with conjunctions, and saw the inconsistent case of "provided" or "provided that". Example:

  1. You can drive a car provided that you have a valid license.

  2. You may produce your own version of the form, provided that the content is the same as in the attached template.

Why does one of the sentences get a comma, and the other one doesn't?


2 Answers 2


Both sentences are clearer when the comma is there, but some style guides allow omitting a comma when the two clauses are short and simple, such as your first example.


A comma is not needed in either sentence (actually it would be incorrect) because the "provided that" clause is a dependent clause.


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