No we do not have to keep them for file. Some do some don't. The test is actually listed as a pass/fail for our records with the minimum score being a 175 (pass) out of 250. Scoring as follows: anything inside or touching the outer 8 ring is 5 points, anything inside or touching the outer 7 ring is 4 points and anything outside and NOT touching the outer 7 ring but still in or touching the blue/green/black area is 3 points. Anything in white or off the target is 0.