If the SSIA has issued a A1 certificate, the company that sent workers to a ES/EEZ Member State carrying out its work on its behalf, or self-employed person who works as a self-employed person in one Member State of the ES/EEZ, it is necessary to state social insurance mandatory payments in Latvia’ s budget in accordance with the procedures specified by law.
The key principle of EU rules: a person is a socially insured in the country where the work, regardless of place of residence. Persons who are sent abroad to work for a short time, often prefer to remain as a socially insured persons in their country. In such cases, the provisions on social insurance, the staff seconded by the so-called (posted worker), provides for derogations from the above – the main – basis. If an employer sends employees to carry out work to their advantage in another ES/EEZ country to him the first Member State may continue to apply the law provided that the expected duration of work shall not exceed 24 months. To continue to apply the legislation of the first Member State must obtain an A1 certificate can also obtain A1 certificates for self-employed persons, persons working in two or more of the ES/EEZ Member States, civil servants, the European Community contracted personnel, employees are Latvian seafarers on Norwegian vessels.
You can get more information on the SSIA:
Issue the certificate A1 shall be carried out by the SSIA 22 working days from receipt of the request.