The supplier can ask for an alternative name of the substance to be affixed on the label (by selecting a generic name as an example) where he can demonstrate that the disclosure of that substance puts the confidential nature of his business, and especially of its intellectual property rights, at risk.

Up to 31 May 2015, the supplier can choose between two different systems:
- Either the one defined by directive 1999/45 (transposed by the Royal decree of 11 January 1993)
- Or the one defined by the CLP regulation (Articles 24 and 61)

But, take care, from 1st June 2015, the system defined by directive 1999/45 will cease to exist and only the provisions specified in the CLP regulation shall be applicable.

System defined by directive 1999/45 (in force up to 1st June 2015)

If the person in-charge of placing a mixture on the market can prove that the disclosure on the label or on the safety data sheet of a substance's chemical name that is exclusively classified as
- irritant, excluding those that are assigned phrase R41, or irritant in combination with one or more of the other properties mentioned in Article 10, point 2.3.4 of directive 1999/45
 or
- harmful or harmful in combination with one or more of the other properties mentioned in Article 10, point 2.3.4 of this same directive, which have only acute lethal effects

is a risk to the confidentiality of its intellectual property, he can, in accordance with the provisions of appendix VI of the Royal decree of 17 July 2002 amending the Royal decree of 11 January 1993, be permitted to refer to this substance either by a name that identifies the most important functional chemical groups, or by means  of another name.

This procedure cannot be applied if, in case of the relevant substance, there is an exposure limit due to the (European) community provisions.

Confidentiality requests made under the system of directive 1999/45 can be sent preferably by e-mail to reach@environment.belgium.be or by post with a remark "alternative name" on the envelope at the following address:
Risk Management department
Avenue Galilée 5/2 
B – 1210 BRUSSELS

In compliance with Article 9§6  of the Royal decree of 13 November 2011 laying down the charges and contributions to be paid to the Budgetary fund of raw materials and products, for alternative names on the Belgian market must pay a one-time fee (i.e. he must pay only once) of € 400 for each mixture. Proof of payment becomes part of the notification file sent to the Poison Centre.

This fee is associated with the act of notification to the Poison Centre. The fee(s) must be paid to the postal IBAN (BE65 6792 0059 5996) et BIC (PCHQBEBB) of the Federal Public Service Health, Food Chain and Environment (Banque de la Poste  - Brussels); the transfer must state the firm's contact details and contain the following communication:

"[name of the concerned product(s)] + Art.9§6".
In case of payments made outside Belgium, the specific IBAN and BIC bank codes must be given:
Bank:
Banque de la Poste
162, Avenue Roi Albert II
1000  Brussels

System defined by the CLP regulation

If the person in-charge of placing a mixture on the market can prove that the disclosure on the label or on the safety data sheet of a substance's chemical name that is exclusively classified as
- any of the physico-chemical categories,
- acute toxicity (category 4),
- corrosion / skin irritation (category 2),
- serious eye damage/eye irritation (category 2),
- specific target organ toxicity - single exposure (category 2 or 3),
- specific target organ toxicity - repeated exposures (category 2) or
- hazardous to the aquatic environment – chronic (category 3 or 4).

is a risk to the confidentiality of its intellectual property, he can, in accordance with the provisions of the 1272/2008 regulation (i.e. CLP regulation), be permitted to refer to this substance either by a name that identifies the most important functional chemical groups, or by means of another name. This procedure cannot be applied if, in case of the relevant substance, there is an exposure limit due to the community provisions.

This system shall become mandatory from 1st June 2015 onwards. 
  
Confidentiality requests made under the system of CLP regulation must be sent to ECHA (see the request procedure).