Exceptions

Criteria waived at the checkpoint, with the reason.

The part

What it is

Waiving a criterion is sometimes right. Doing it without a record is what allows a milestone to be passed on paper while the condition it existed for is still unmet.

A pattern of the same criterion being waived repeatedly means it was the wrong criterion.

The smallest level

The attributes it carries

Each attribute is one of the framework’s shared types. What a date is, and how it is written, is defined once for the whole model — the note here says what it means in this particular place.