Extensive Damage / closed holes

Everybody should just record these holes as not started the software does the rest

Rule 3.2 When a hole is not played

l A hole being declared out of play by the Committee for maintenance or
reconstruction purposes.
A score may only be used for handicap purposes if, among other things, the round
has been played over at least the minimum number of holes required for either a
9-hole or an 18-hole score to be acceptable (see Rules 2.1 and 2.2).
Where the minimum number of holes has been completed and the reason for a
player not playing a hole is valid, the player must use the following table to
produce an 18-hole score:

Scaling up What score(s) to record for
holes not played
....
At least 14 holes Scale up to 18-hole score
Add net par (or equivalent
Stableford points).

Note it is important to ensure that players record the holes as Not Started and not NR.