Publishing covers very different businesses, and what you must do depends on what you publish. This path takes you through it in order: first work out which rules apply to what you publish, then put the duties every publisher shares in place, then follow the rules for your kind of publishing, and finish by checking you have covered everything.
Step 3 — Follow the rules for what you publish
Now work through the guide for your kind of publishing. If you do both, follow each relevant guide.