All 71 of North Carolina's delegates to the Republican National Convention are allocated to presidential contenders based on the results of the voting in today's Presidential Primary.
39 district delegates, 3 from each of the 13 congressional districts, are to be allocated to the presidential contenders based on the primary results in each congressional district [ByLaws of the North Carolina Republican Party. Article VIII].
If one candidate receives more than 2/3 of the vote or only 1 candidate receives 20% or more of the vote in a congressional district, that candidate receives all 3 delegates.
Otherwise, the highest vote getter receives 2 delegates and the next highest vote getter receives 1 delegate.
Otherwise, if no candidate receives 20% of the vote, the top 3 vote getters each receive 1 delegate.
32 (10 at-large, 19 bonus, 3 RNC) delegates are bound to presidential contenders based on the primary results statewide [Article VIII].
The delegates are distributed proportionally to those candidates receiving more than 20% of the statewide vote (rounding rules are not known).