Long-term residence permit for the purpose of unification of family is intended for foreigners who will stay in the Czech Republic for a period longer than three months and who are

• husband/wife of a foreigner who is a holder of the residence permit (the couple must be older than 20 years and the holder of the residence permit must have resided in the Czech Republic for at least 15 months)  
• minor or dependent major of a foreigner who is a holder of the residence permit
• minor or dependent major of a husband/wife of a foreigner who is a holder of the residence permit
• minor
  • who was placed into custody with a foreigner who is a holder of the residence permit or his husband/wife
  • who was adopted by a foreigner who is a holder of the residence permit or his husband/wife
  • whose legal guardian or husband/wife of the legal guardian is a foreigner who is a holder of the residence permit  

    If the minor will be taken care of in the Czech Republic:

• parent of a minor who was granted asylum (if the minor has no parents, the application can be filed by the next-of-kin in the ascending line, or a legal guardian)
• lone foreigner older than 65 or foreigner who is dependent due to health reasons, if he/she is joining a parent or a child who is a holder of the residence permit
• a family member of a holder of a blue card in another Member State of the EU.

Unification of family application requirements:

• application form
• travel document
• 2 photos
• fee
• supporting documents proving
  • family relationship
  • birth certificate
  • monthly family income
  • proof of accommodation with officially verified signature of a landlord (for example rent contract etc.)
  • applicant who is a family member of a blue card holder who resided in another Member State of the EU submits a residence permit issued by this state  
• criminal record extract issued by the state of the applicant´s citizenship and by the state where the applicant resided in the last three years for more than six months
• children submit agreement of parents/legal guardians with the stay of the child in the Czech Republic (except when the parent travels with the child, when the parent travels with the child or when the agreement cannot be obtained due to reasons independent of the foreigner)
• upon request a document proving fulfillment of measures against spread of infectious disease
• health insurance for the whole period of stay will be requested when visa is approved

All requested documents MUST be submitted as ORIGINALS together with COPIES translated into CZECH LANGUAGE (WITHOUT THEM THE APPLICATION WILL NOT BE ACCEPTED). Just the data page of the passport should be copied (not the whole passport). 

Detailed information about applications for the long-term residence permit for the purpose of scientific research is available at the web site of the Ministry of the Interior, under which competence the portfolio of residence permits falls.