List of appendices

1) For a first application

• The application form for an authorisation to work for a foreign worker (employer in Belgium or abroad), completed, signed and dated by the employer or their agent (natural person legally residing in Belgium), or generated by the electronic platform
• A photocopy of every page of the worker's current passport
• A photocopy of the identity card of the employer or their agent
• A photocopy of the document covering the worker's stay, if they are living in Belgium

• If the application concerns a secondment: a declaration signed by the employer specifying the duration of the secondment and the employment and payment conditions during the secondment
• If the application concerns a secondment: a copy of the document issued by the foreign social security institution stating that that country's social security legislation continues to apply during residence in Belgium where an international agreement on social security exists or, in the absence of such an international agreement, a document from the Federal Public Service Social Security stating that the worker cannot be subject to Belgian social security
• If the application concerns a secondment and if the employer abroad is a legal entity: the name of the employer, its legal form and a copy of its articles of association as registered in accordance with the law of the state in which it is established. If they are not drawn up in French, Dutch or English, the articles of association have to be translated by a sworn translator or interpreter as referred to in Book V of Part 2 of the Judicial Code.

• A copy of the supply contract that proves that the installation the specialised technician just set up, activated or repaired was produced or delivered by their employer established abroad
• A note clarifying the sector and field of activity of the employer established abroad, seconding their worker
• A copy of the employment contract binding the technician to their employer abroad, together with a copy of the mission order or letter, signed by the employer and specifying the duration of the secondment as well as the working conditions and payment for the duration of the secondment, to which will be attached the version translated by a sworn translator, where applicable

2) For a renewal

• The application form for an authorisation to work for a foreign worker (employer in Belgium or abroad), completed, signed and dated by the employer or their agent (natural person legally residing in Belgium), or generated by the electronic platform 
• A photocopy of the identity card of the employer or their agent
• A photocopy of the document covering the worker's stay in Belgium
• A photocopy of all the pay slips for the entire period of the authorisation to work that is expiring
• A photocopy of the individual account after one full calendar year of work by the worker
• If granted by another region: a photocopy of the worker’s previous authorisation to work

• If the authorisation to work concerns a cross-border worker: the relevant residence document issued by the municipality where the worker is employed.

• A declaration signed by the employer specifying the duration of the secondment and the employment and payment conditions during the secondment
• A copy of the document issued by the foreign social security institution stating that that country's social security legislation continues to apply during residence in Belgium where an international agreement on social security exists or, in the absence of such an international agreement, a document from the Federal Public Service Social Security stating that the worker cannot be subject to Belgian social security
• Proof of entry in the Limosa register for the previous period

• A copy of the employment contract binding the technician to their employer abroad, together with a copy of the mission order or letter, signed by the employer and specifying the duration of the secondment as well as the working conditions and payment for the duration of the secondment, to which will be attached the version translated by a sworn translator, where applicable

N.B.: The total duration of the employment may not exceed 6 months