When it comes to screenplay format, there are very few hard and fast rules or regulations. So, try to approach it more in terms of choices instead

Here are some resources on how to rethink screenplay format in terms of choices rather than strict rules: 

If you'd like a professional screenwriter from our team help you with your script's formatting check out our Proofread and Formatting service.

We also have a more in-depth that includes a Proofread and Formatting service and also tightens up your dialogue and description, called a Line Edit