S.L. 217.22 Art. 16Duration of authorisation. 16 [S.L.

(1) The period of validity of an authorisation for researchers shall be at least one year, or for the duration of the hosting agreement where this is shorter and the authorisation shall be subject to a renewal unless this is excluded as provided in regulation 18:

Provided that the duration of the authorisation for researchers who are covered by Union or multilateral programmes that comprise mobility measures shall be at least two years or for the duration of the hosting agreement where this is shorter:

Provided further that if the general conditions laid down in regulation 7 are not met for the two years or for the whole duration of the hosting agreement, the first paragraph of this sub-regulation shall apply. The Chief Executive Officer shall retain the right to verify that the grounds for withdrawal set out in regulation 18 do not apply.

(2) The period of validity of an authorisation for students shall be at least one year, or for the duration of studies, where this is shorter and the authorisation shall be subject to a renewal unless this is excluded as provided in regulation 18:

Provided that the duration of the authorisation for students who are covered by Union or multilateral programmes that comprise mobility measures or by an agreement between two or more higher education institutions shall be at least two years, or for the duration of their studies, where this is shorter:

Provided further that if the general conditions laid down in regulation 7 are not met for the two years or for the whole duration of the studies, the first paragraph of this sub-regulation shall apply. The Chief Executive Officer shall retain the right to verify that the grounds for withdrawal set out in regulation 18 do not apply.

(3) The Chief Executive Officer may determine that the total time of residence for studies may not exceed the maximum duration of studies that may be provided in national law.

(4) The period of validity of an authorisation for trainees shall be for the duration of the training agreement where this is shorter than six months, or for a maximum of six months: COUNTRY NATIONALS FOR THE PURPOSES OF RESEARCH, STUDIES, TRAINING AND VOLUNTARY SERVICE IN THE MOBILITY PROJECT FOR YOUNG 217.22 PEOPLE: VOLUNTARY PROJECTS

Provided that if the duration of the agreement is longer than six months, the duration of the validity of the authorisation may correspond to the period concerned subject to approval bv the pertinent education authorities. The Chief Executive Officer, in consultation with the pertinent education authorities, may decide to allow the renewal of the authorisation once, for the period necessary to complete the traineeship if the provisions of regulation 18 do not apply.

(5) The period of validity of an authorisation for volunteers shall be for the duration of the agreement referred to in regulation 13(a) if this period is shorter than one year or for the maximum period of one year:

Provided that if the period of validity of an authorisation for volunteers is longer than one year, the duration of the validity of the authorisation may correspond to the period concerned subject to approval by the pertinent education authorities. The Chief Executive Officer, in consultation with the pertinent education authorities, may decide to allow the renewal of the authorisation once, for the period necessary to complete the voluntary service if the provisions of regulation 18 do not apply.

(6) The Chief Executive Officer or the authorities responsible for the issuance of visas may determine that, in case the validity of the travel document of the third-country national concerned is shorter than one year or shorter than two years in the cases referred to in sub-regulations (1) and (2), the period of validity of the authorisation shall not exceed the period of validity of the travel document.

(7) Where the pertinent authorities allow entry and residence during the first year on the basis of a long stay visa, the application to the Chief Executive Officer for the residence permit shall be submitted before the expiry of the long-stay visa, and the residence permit shall be issued if the provisions of regulation 18 do not apply.