Publication: Magyar Közlöny
Issue: MK-2009-104 (Year: 2009, Number: 104)
Era: 2004-2010
Section: 
Paragraph Index: 600

a) for convenience, the largest size of charts should be about 42 × 30 cm (standard size A3) and the smallest size should be about 21 × 30 cm (standard size A4). The choice between these sizes should depend on the route lengths and the amount of detail that needs to be given in the charts as agreed between meteorological authorities and users;

Source: https://magyarkozlony.hu/hivatalos-lapok/1f7c6b0e16b4b71a92e5ad24416008bbe2e26aab/dokumentumok/710811d1f7f958a2990684d0cbf918e84f5497e5/letoltes