24 Bit or higher
44.1 khz or higher
Remove all FX from your master fader
Instrumental: Print each individual instrumental track with FX, exactly they appear in the demo. This include all plugins, FX, volume, pan, and mute automation
Vocals: Print each individual vocal track without FX. Tuning is ok, but no reverb, delay, compression
Name each file accuately, and try to keep files in organized folders when possible (eg. drums, bass, instruments, SFX, vocals)
Include Include a wav or mp3 of your most recent demo.
When all the files are printed, if you add them back to a brand new session it should sound identical to your most recent demo, minus the vocal FX/reverbs.