The employer who first recruits you from abroad should apply for the 30% ruling on your behalf.

In order to apply for the 30% ruling on your behalf, your company needs permission from Tax and Customs. The application form is in English and can be obtained from:

Belastingdienst/Limburg/Kantor Buitenland
Postbus 2865
6401 DJ Heerlen

Necessary documents
1. Copy of the employment contract. This employment contract must include a statement about the 30% ruling or a separate appendix concerning the 30% ruling.
2. A job description (if available).
3. Copy of work permit (if applicable).
4. Your CV.
5. Statement of expertise and scarcity made by the employer if possible. When there are doubts about the expertise and/or the scarcity, the tax office may require proof about the efforts done to find someone locally, such as job adverts, use of a recruitment company etc.

Time taken to process the appliation differs, but is usually, outside of major holiday seasons such as summer, Christmas or easter, around 6 weeks.