While most registration is done early in the season, the union is aware of last-minute situations, and enables notice of player registration to be done at the very latest stage pre-match if necessary.
In the fourth round of the competition on Saturday, Tamatea have a home game at Bill Mathewson Park, Hastings, against Hastings Rugby and Sports.
Uneaten competition leader Napier Tech OB are also at home at Whitmore Park, Napier, against Napier Pirates, who have lost both games to date, and Havelock North who, like Tech, have also won all three games so far, play Napier OBM at Tremain Field, Park Island.
Defending champions Taradale, with two wins from two games, play Clive at Farndon Park, Clive, and MAC play Dannevirke side Aotea at Flaxmere Park.
The advent of duck shooting season meant one division 2 Country game being played on Thursday night. Porangahau beat Central 13-10 at Central Park, Waipukurau.