Effective January 1st, 2019, the following regulation (approved by the Board of Governors) becomes valid:

GCA Link to the Rules
Divisions, participating in the GCA (Guest Controller Approval) program, may require users registered with foreign divisions, to obtain a GCA before being allowed to log on to a FRA restricted position. Such GCA requirement(s) shall be published on the division website in English language.

The following 47 divisions are participating (data current as of September 3, 2018):

DZ Flag Algeria Algeria
AR Flag Argentina Argentina
AT Flag Austria Austria
XB Flag BELUX Region BELUX Region
BR Flag Brazil Brazil
CL Flag Chile Chile
CO Flag Colombia Colombia
HR Flag Croatia Croatia
CZ Flag Czech Republic Czech Republic
DO Flag Dominican Republic Dominican Republic
XC Flag Dutch Caribbean Region Dutch Caribbean Region
XE Flag East Asia Region East Asia Region
XR Flag Eastern Europe and Northern Asia MCD Eastern Europe and Northern Asia MCD
EG Flag Egypt Egypt
FR Flag France France
XG Flag GCC Region GCC Region
GE Flag Georgia Georgia
DE Flag Germany Germany
GR Flag Greece Greece
HU Flag Hungary Hungary
IN Flag India India
ID Flag Indonesia Indonesia
IR Flag Iran (Islamic Republic of) Iran (Islamic Republic of)
IT Flag Italy Italy
MX Flag Mexico Mexico
XM Flag Middle East Region Middle East Region
MA Flag Morocco Morocco
NL Flag Netherlands Netherlands
XN Flag Nordic Region Nordic Region
XA Flag North America Region North America Region
XO Flag Oceanic Region Oceanic Region
PL Flag Poland Poland
PT Flag Portugal Portugal
RO Flag Romania Romania
SA Flag Saudi Arabia Saudi Arabia
SN Flag Senegal Senegal
SK Flag Slovakia (Slovak Republic) Slovakia (Slovak Republic)
SI Flag Slovenia Slovenia
ES Flag Spain Spain
SD Flag Sudan Sudan
CH Flag Switzerland Switzerland
TH Flag Thailand Thailand
TN Flag Tunisia Tunisia
TR Flag Turkey Turkey
UA Flag Ukraine Ukraine
XU Flag United Kingdom and Ireland MCD United Kingdom and Ireland MCD
VE Flag Venezuela Venezuela

If you want to control as a Guest Controller in one of the mentioned divisions, please contact the division's HQ at xx-hq@ivao.aero (replace xx with the division's two letter code), or click on the flag to visit their web site for further information. (Opens in a new window.)