The Hawke's Bay Rugby Union's plea for more referees has become a mayday call after the realisation senior grade could be without referees for a while when the grade's season starts on May 1.
The alert came in an email to clubs from club rugby ambassador Gary Macdonald on Wednesday afternoon.
Macdonald said it is expected four games will be played each Saturday in the Division 3 grade, the last of the Senior, Colts or Women's grades to get under way.
But Hawke's Bay Rugby referee manager Keith Groube said Division 3 home teams will have to provide associate referees to control the games unless there are "spare" referees available.
As the season steps up to include secondary schools and junior grades, members of the wider Hawke's Bay Magpies train-on squad are likely to be pressed into action with the whistle.