Go to the Shinki Headquarters Dojo site (in Germany) at:
Click-on the Aikido Shinki Rengo icon to Enter
Then click-on “Prüfung” from the list of choices
Then under “Prüfungsordnung” click-on “Shinki Rengo”
You can then view by scrolling through the tables listing Kyu or Dan testing requirements these tables are in a PDF file and you can print them out using Adobe Acrobat.
For your reference the Aikikai testing requirements are also listed in this location as a separate PDF file.