With the Royal Decree 9/1/27 No. 147 the regulation for the specific authorization for the use, safekeeping and storage of toxic gases is approved.
The list of toxic gases recognized pursuant to regulation no. 147 was approved with the Ministerial Decree of 6 February 1935.
The supervisory responsibilities, following the Law 833/78 and more recently of the Legislative Decree 81/08, today are the responsibility of the Local Health Authority where the applicant's company has or will be based, while the authorization competences are the responsibility of to the Suap del Comune.
To conserve, store and use toxic gases, it is necessary to obtain prior authorization from the Suap.