CHINA, PEOPLE'S REPUBLIC OF - Passport and visa required.  Due to tightened visa policy, travelers may be required to undergo a personal interview.  Transit visa required for any stop (even if you do not exit the plane or train) in China.  Business travelers are required to obtain formal invitation from their Chinese business contact.  Tourist visas are issued only after receipt of a confirmation letter from a Chinese tour agency or letter of invitation from a relative in China.  Single-entry visa requires $50 processing fee, double-entry visa fee $75 (no personal checks).  A multiple-entry visa requires $100 for a 6-month visa, and $150 for a 12-24 month visa.  1 tourist visa application form, and 1 photo required.  Allow at least 4 business days for processing.  Visa valid 90 days from date of issue.  If applicant is HIV positive, entry not permitted for any purpose.  For more detailed information, contact the Visa Section of the Chinese Embassy, 2201 Wisconsin Ave., NW, Washington, DC 20007 (202/338-6688) or nearest Consulate General: Chicago (312/573-3070), Houston (713/521-9859), Los Angeles (213/807-8006), New York (212/868-2078) or San Francisco (415/674-2940).  Internet: www.china-embassy.org