SDpeafowl,
NPIP is a federal program for poultry. Although a Federal program in nature, each state is left to interpret it on its own.and so each state acts a little different. From what I know, and we are NPIP tested in Ohio, the program consists of swabbing for AI and blood testing. The number of birds tested variesf rom state to state as some states require all birds in the flock are tested and others require a certain % be test from each type of poultry and each area they are housed.
The program does not set requirements for how the birds are housed, how organized your area is or any of that so don't worry too much on that end. Now with that said, we all know from keeping birds, that good practices for cleanliness help stop disease and parasite spread.
This program is meant to ensure there is no active disease (of the types tested for) in your flock at this time and is good for 1 year at a time in Ohio.
I also tend to make sure everything looks good when they come, but it never gets too bad here so it is easily accomplished.