New Zealand's Kane Williamson has been banned from bowling due to an illegal arm action.
The disgraced Kiwi cricketer says greed and frustration motivated his actions.
New Zealand captain Brendon McCullum has denied allegations linking him to matchfixing.
Broad admitted a Level 1 charge of publicly criticising the match officials.
McCullum scored 535 runs in the two-match series, having also scored 224 in the first game in Auckland.
The Windies off-spinner put New Zealand's batsmen under immense pressure on day 2 of the third Test.