The Cook Islands Democratic Party is promising it will remove any tax burden from people receiving New Zealand superannuation in the Cooks if it becomes the government.
It will be later this week before Cook Islanders know whether the Democrats or the Cook Islands Party will form the new government.
Final results are expected on 28 June and the expectation that several seats could change hands given the narrow victory margins.
At the moment the Cook Islands Party has 10 seats, the Democrats 11, and both parties are scrambling to win the backing of the two independents and the One Cook Islands Party who hold the balance of power.
Cook Islands Grey Power president Dennis Tunui said the Democrats had committed that if elected they would stop taxing New Zealand superannuation at the first sitting of parliament.
And the Democratic Party finance spokesperson James Beer has confirmed to the Cook Islands News that the party would legislate to stop the tax.