Once you can’t find anything about a course or program in the standards then it has an exception in age, ratios or prerequisite. For this we have a dedicated Guide for all Core Courses which includes:
As said this is already the second step after consulting the General Standards. Each of those guides is Structured the same. It stars with Requirements, Ratios, Depths, Certification Requirements and so on. After that you find in most Courses Knowledge development, Confined water dives including suggestions and minimum requirements before conducting, and finally Open Water dives.