Google Apps Terms of Use- Termination

TERMINATION
You may discontinue your use of Google services at any time. You agree that Google may at any time and for any reason, including a period of account inactivity, terminate your access to Google services, terminate the Terms, or suspend or terminate your account. In the event of termination, your account will be disabled and you may not be granted access to Google services, your account or any files or other content contained in your account. Sections 10 (Termination), 13 (Indemnity), 14 (Disclaimer of Warranties), 15 (Limitations of Liability), 16 (Exclusions and Limitations) and 19 (including choice of law, severability and statute of limitations), of the Terms, shall survive expiration or termination.

Source-

http://www.google.com/apps/intl/en/terms/user_terms.html