Artikel 6bis

In operating or holding out air services on the agreed routes, the designated airline(s) of one Contracting Party may enter into commercial and/or cooperative marketing arrangement including but not limited to blocked space, code sharing and leasing arrangements with:
a) an airline or airlines of the same Contracting Party;
b) an airline or airlines of the other Contracting Party, including domestic code share services operated by such airline;
c) an airline or airlines of a third country.
Provided that all airlines in such arrangements:
a) hold the appropriate authority;
b) meet the requirements normally applied to such arrangements;
c) must in respect of any ticket sold by it, make it clear to the purchaser at the point of sale which airline or airlines will actually operate each sector of the service and with which airline or airlines the purchaser is entering into a contractual relationship;
d) the code-share services of the marketing carriers will not be counted as a frequency.