We have a 60 minute long AVI file which runs from 00:00:00:00 to 01:00:00:00 – drag that to the top track and position it wherever you want, then export your MPEG-2 or whatever file.
I do not remember where I got it, but I think searching Google was involved.
It is obviously only useful if you start your sequences at 00:00:00:00. Although your client does not care what the timecode is as long as you have something they can reference, so even if your sequence starts at 6:00:00:00, you can plant the timecode clip at the start of what you want the client to review and you have synch with each other.
If you want the tape timecode use the Premiere filter.
If not going to DVD, use the clip notes feature, it is very cool.
Mike Cohen