Changing Frame Rate for Broadcast Delivery

I have a film that I need to deliver for broadcast. It was created with a 24fps frame rate but I need to deliver at 29.97. Is there a preferred method for doing this (e.g. creating a new 29.97 timeline or change frame rate on deliver page)?

But do you need 29.97 progressive, intrrlaced, or drop frame?

I'm guessing interlaced or drop frame.

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Drop frame, but does that make a difference for method? Both methods allow you to choose.

But do you need 29.97 progressive, intrrlaced, or drop frame?

I'm guessing interlaced or drop frame.

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Those aren’t all mutually exclusive options. It should be two separate questions.
1. Interlaced or Progressive?
2. Drop frame or non-drop frame?

Interlaced and drop-frame.

Got it. And is your source 24.00 or 23.976?

I'd make a framerate conversion 24p>23,976p and then a pulldown 23,976p->29,97i.

Is there a preferred method for doing this (e.g. creating a new timeline or changing the frame rate on the deliver page)? Is one of those methods any different than the other?

In version 20 at least, there is a (3/2) option available for Frame Rate on the Deliver page.