A source in the National Council for Peace and Order (NCPO) said on Thursday that the junta had decided not to publicly broadcast every order signed by coup leader and army chief Gen Prayuth Chan-ocha on television and radio stations.
All orders were to be made public over television and radio stations since the junta seized power on May 22.
But the source said the council had recently been selective in deciding which directives should be announed publicly.
The source did not disclose the reason for the change of the policy.
Some orders which were not be announced include those dated July 17 and 21.
The July 17 directive voids the order sacking Pol Gen Patcharawat Wongsuwan from the position of police chief in December 2009 for mishandling the People's Alliance for Democracy protest in 2008. It was signed by Abhisit Vejjajiva, the prime minister at the time.
The order on July 21 disbanded the National Economic and Social Advisory Council.
Despite the lack of a public announcement, all orders are sent directly to agencies or individuals targeted by the council and published in the Royal Gazette.