A meeting of the verification commission ended last weekend with little agreement.
They also appeared to have dismissed an international verification commission established under the treaty, saying it had completed its work by issuing a report last week.
An international verification commission, established to certify compliance with the accord, also toured the region this week.
The accord also establishes an "international verification commission" of four or five nations to assure that both sides are abiding by the agreement.
They also failed to agree on accepting the findings of an international verification commission set up under the accord.
In 120 days, the international verification commission is to study how well the plan is being carried out.
Further talks took place in Rome on Dec. 20 under the auspices of the verification commission.
Under the tentative pact, the official said, a verification commission would be established through which either side could complain if it suspected the other was cheating.
Instead, the suspected violation would be reported to a verification commission.
In the meantime, Honduras faces an imminent visit from a multimember international verification commission established by the treaty.