@Scott: I disagree - see ##2 and 3.
@Harold:
1) Average calculations use gross scores (not relatives), and nine hole scores are doubled.
Your best Par5 scores were 81 / 18 and 38(76) / 9. How should they influence your average? Push it up?
Don't worry though:
2) Par3 scores and (though not mentioned in the FAQs) Par 5 scores do not count to the average.
3) All courses with Par settings between 65 and 75 do count.
Edit: Exclude Par4 from your exception - they count! ;->