Following the IARU Region 2 (the Americas) meeting in September at Cancun, Mexico, the new Region 2 bandplans for all allocations from 137 kHz to 250 GHz have now been published.

There is a new allocation for the Amateur-Satellite Service from 144.000-144.025 MHz

There is also a reference to NSS – Near Space Stations in the definitions section. This is believed to be the first mention of High Altitude Balloons in any amateur radio band plan document. It says

NSS – Near Space Stations:
Equipment located in temporary Near Space Stations (such as those carried by High Altitude Balloons) can transmit carefully on any frequency; exceptions are the segments with “exclusive” usage where “NSS” are not applied. NSS must follow the BW and mode restrictions of the segment and observe carefully the usual occupation of the band on the related region to avoid harmful interference. For longer missions and NSS crossing international and regional boundaries, extra care must be observed in harmonization of different allocations.

See the new IARU Region 2 bandplans at
http://www.iaru-r2.org/documents/explorer/files/Plan%20de%20bandas%20%7C%20Band-plan/R2%20Band%20Plan%202013.pdf

Read the IARU Region 1 paper Increased Amateur Satellite Service 144 MHz Usage
https://amsat-uk.org/wp-content/uploads/2013/04/vie13_c5_03_increased_amateur_satellite_service_144mhz_usage.pdf