In 1976 ESOMAR and the ICC determined a single code of practice would be preferable and the first joint code of practice was published in 1977, with revisions in 1986, 1994 and 2007.
In 1976, ESOMAR and the ICC decided a single code of practice would be preferable, and the first joint code was published in 1977. Revisions were made in 1986, 1994, and 2007.