Zak Forsman, a member of Scarlet User, has a good pre-production checklist, starting with:
6 PHASE TOTAL
Phase 1 & Phase 2:
A) LOCK SCRIPT
B) Send script out to Library of Congress for official copyright, with treatments, character descriptions and supporting documents attached to script.
C) Send script package to WGA to register.
D) Have one final night of sleep.
E) […]