What Inputs Are Required to Make IETM Level 4?

https://youtu.be/j9dicOSgSl4?si=lX7s08mcS7uSaCIW To develop an IETM (Interactive Electronic Technical Manual) Level 4, inputs are required in the form of finalized soft copies of manuals (DOC/PDF), approved by authorities like DGQC or MAG. Along wi...