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The ICAO runs two PD programs per year: the Spring/Summer program, which runs from May through July, and the Fall/Winter PD program, which runs from October through February.
Continuing our “green” initiative, PD catalogues will be printed on recycled paper and mailed only to those who request a copy. We ask that you please request your copy of the catalogue only through our website. Printed copies of the catalogue will be mailed in March or August respectively.