Lara and Sarwan are included in a 25-man group

West Indies cricketers' union has instructed players not to sign new contracts in a row over terms.

The West Indies Players Association accused the cricket board of exploiting players invited to a training camp ahead of the tour of Australia.

A 25-man squad was chosen to join a three-week camp in Barbados.

"Some of the conditions have nothing to do with cricket but represent an attempt to exploit the players," said WIPA president Dinanath Ramnarine.

"This constitutes an attempt to put pressure on individual players to agree to sign on the dotted line, failing which they would not be considered for West Indies selection."

Tour itinerary

Under new coach Bennett King, West Indies are scheduled to take part in a one-day triangular series in Australia in the New Year, with Pakistan the third team.

The West Indies Cricket Board demands that players must meet new eligibility and selection criteria, including being available for the domestic competition which precedes the tour.

The invitations were described as an attempt "to modernise the operations, and set the game on a sound footing financially and on the field".

In the last two years, players' union has become more vocal, and clashed with the cricket board on many issues.

In March 2003, its members heeded a strike call and forced the postponement of the regional first-class semi-finals by a day before the two bodies agreed a division of sponsors' cash.