ID renumbering TOC

Question

I need to create a master table of contents that incorporates two 100-page documents. Each document has its own table of contents. So, the master TOC would list both of the TOCs of the two documents as follows:

Introduction Part One I. II. III. IV

Part Two I. II. III. IV.

Conclusion

The problem I have is that ID doesn’t want to list as per above. Instead, it lays it out as follows:

Introduction Part One I. II. III. IV.

Part Two V. VI. VII. VIII.

Any thoughts why it is renumbering them?

Answer 1

Try to set these in the Headings paragraph style:

Bullets and Numbering > Numbering style > Mode: Start at

or at second level force restart at this level after any.

For me it works to keep separate heading classes on the same level if that beforementioned approach didn't work out and don't forget to add those styles to the TOC.