Don't forget - which ever option you are working under there are main option clauses relevant to that option.
For option E, you have definitions :11.2(23) which defines Defined Cost, and 11.2(25) which lists Disallowed Costs, You then also have 11.2(29) which Defines the Price for Work Done to Date for option E - which is as you described i.e. Defined Cost which is forecasted to have been paid before the next assessment date plus the Fee.
If you are under NEC3 you will find the specific option E clauses on pages 38 and 39, in NEC4 you will find them in pages 42 and 43.
For option E, you have definitions :11.2(23) which defines Defined Cost, and 11.2(25) which lists Disallowed Costs, You then also have 11.2(29) which Defines the Price for Work Done to Date for option E - which is as you described i.e. Defined Cost which is forecasted to have been paid before the next assessment date plus the Fee.
If you are under NEC3 you will find the specific option E clauses on pages 38 and 39, in NEC4 you will find them in pages 42 and 43.