PUBLIC SOCIAL SECURITY BODY IS REQUIRED IN A HOST MEMBER STATE FOR THE SETTLEMENT WITH INSURANCE BODIES OF ACCOUNTS RELATING TO SERVICES RENDERED TO PERSONS INSURED UNDER SOCIAL SECURITY SCHEMES , THAT MEMBER STATE SHALL EXCEMPT NATIONALS OF MEMBER STATES ESTABLISHED IN ANOTHER MEMBER STATE FROM THIS REQUIREMENT , IN CASES OF PROVISION OF SERVICES ENTAILING TRAVEL ON THE PART OF THE PERSON CONCERNED .
HOWEVER , THE PERSONS CONCERNED SHALL SUPPLY INFORMATION TO THIS BODY IN ADVANCE , OR , IN URGENT CASES , SUBSEQUENTLY , CONCERNING THE SERVICES PROVIDED .
C . PROVISIONS COMMON TO THE RIGHT OF ESTABLISHMENT AND FREEDOM TO PROVIDE SERVICES
ARTICLE 18
WHERE IN HOST MEMBER STATE THE USE OF THE PROFESSIONAL TITLE RELATING TO ONE OF THE ACTIVITIES REFERRED TO IN ARTICLE 1 IS SUBJECT TO RULES , NATIONALS OF OTHER MEMBER STATES WHO FULFIL THE CONDITIONS LAID DOWN IN ARTICLE 2 AND ARTICLE 9 ( 1 ) SHALL USE THE PROFESSIONAL TITLE OF THE HOST MEMBER STATE WHICH , IN THAT STATE , CORRESPONDS TO THOSE CONDITIONS OF QUALIFICATION AND SHALL USE THE ABBREVIATED TITLE .
THE FIRST SUBPARAGRAPH SHALL ALSO APPLY TO THE USE OF PROFESSIONAL TITLES OF SPECIALIST DOCTORS BY THOSE WHO FULFIL THE CONDITIONS LAID DOWN IN ARTICLES 4 AND 6 AND ARTICLE 9 ( 2 ) ( 3 ) AND ( 4 ) .
ARTICLE 19
WHERE A HOST MEMBER STATE REQUIRES ITS OWN NATIONALS WISHING TO TAKE UP OR PURSUE ONE OF THE ACTIVITIES REFERRED TO IN ARTICLE 1 TO TAKE AN OATH OR MAKE A SOLEMN DECLARATION AND WHERE THE FORM OF SUCH OATH OR DECLARATION CANNOT BE USED BY NATIONALS OF OTHER MEMBER STATES , THAT MEMBER STATE SHALL ENSURE THAT AN APPROPRIATE AND EQUIVALENT FORM OF OATH OR DECLARATION IS OFFERED TO THE PERSON CONCERNED .
ARTICLE 20
1 . MEMBER STATES SHALL TAKE THE NECESSARY MEASURES TO ENABLE THE PERSONS CONCERNED TO OBTAIN INFORMATION ON THE HEALTH AND SOCIAL SECURITY LAWS AND , WHERE APPLICABLE , ON THE PROFESSIONAL ETHICS OF THE HOST MEMBER STATE .
FOR THIS PURPOSE MEMBER STATES MAY SET UP INFORMATION CENTRES FROM WHICH SUCH PERSONS MAY OBTAIN THE NECESSARY INFORMATION . IN THE CASE OF ESTABLISHMENT , THE HOST MEMBER STATES MAY REQUIRE THE BENEFICIARIES TO CONTACT THESE CENTRES .
2 . MEMBER STATES MAY SET UP THE CENTRES REFERRED TO IN PARAGRAPH 1 WITHIN THE COMPETENT AUTHORITIES AND BODIES WHICH THEY MUST DESIGNATE WITHIN THE PERIOD LAID DOWN IN ARTICLE 25 ( 1 ) .
3 . MEMBER STATES SHALL SEE TO IT THAT , WHERE APPROPRIATE , THE PERSONS CONCERNED ACQUIRE , IN THEIR INTEREST AND IN THAT OF THEIR PATIENTS , THE LINGUISTIC KNOWLEDGE NECESSARY TO THE EXERCISE OF THEIR PROFESSION IN THE HOST COUNTRY .
CHAPTER VIII
FINAL PROVISIONS
ARTICLE 21
MEMBER STATES WHICH REQUIRE THEIR OWN NATIONALS TO COMPLETE A PREPARATORY TRAINING PERIOD IN ORDER TO BECOME ELIGIBLE FOR APPOINTMENT AS A DOCTOR OF A SOCIAL SECURITY SCHEME MAY IMPOSE THE SAME REQUIREMENT