From JAR-FCL 1.165(b)
Night training. The applicant shall have completed at least 5 hours flight time in aeroplanes at night comprising at least 3 hours of dual instruction, including at least 1 hour of cross-country navigation, and 5 solo take-offs and 5 full-stop landings.
It's on the web at
JAA Website , and this document is
JAR-FCL1 Subpart D, pages 49 and 50 in Acrobat Reader.