Defence Force officers, which comprise members of the Coast Guard, Air Guard and T&T Regiment, are still waiting on final approval from Cabinet for salary increases.
The Defence Force signed an agreement on September 5 with Chief Personnel Officer Stephanie Lewis for the negotiation period of January 2011 to December 2013.
While the agreement was a relief to many current and retired officers, the negotiations are still not up to date.
The source said pensioners, who would have been affected by negotiations within that period, would also have their payments adjusted and would receive back pay.
According to a source, the documents containing the agreement went to the Ministry of Finance in September.
In order to obtain final approval, a Cabinet Note would need to be prepared for the Minister of Finance Colm Imbert to lay before the Cabinet.
In July, police officers accepted a 14 per cent increase from the CPO.
The increase for the Defence Force was said to be around 15 per cent.
The source said several serving and retired members of the Defence Force had raised concerns over the lengthy negotiation progress for revised pay and allowances.
The Defence Force is not represented by any trade union and is not, like other national security agencies, allowed to take industrial action.
Several officers said they feared having a bleak Christmas and complained of having outstanding loans and other financial commitments as well as families to support.
They hoped the process would be completed as soon as possible.