Units using OLDI for the co-ordination of flights shall implement the ABI, ACT, and LAM as described in this section, except where it has been bilaterally agreed to use the co-ordination dialogue procedure as described in Section 8 of this document, in which case the conditions for the use of ACT and LAM messages are as defined in that section.
Enote, ki pri koordinaciji letov uporabljajo OLDI, izvajajo predhodna sporočila o času preleta meje, sporočila o aktivaciji in sporočila o logični potrditvi tako,kakor je opisano v tem oddelku, razen kadar je dvostransko dogovorjeno, da se uporablja postopek dialoga koordinacije, kakor je opisano v oddelku 8 tega dokumenta, v tem primeru pa so pogoji za uporabo sporočil o aktivaciji in logični potrditvi opisani v tem oddelku.