./.WORLD TRADE
ORGANIZATIONG/IT/SPEC/Q4/23
18 February 2003
(03-1010)
Committee of Participants on the Expansion
of Trade in Information Technology ProductsOriginal:  English
SURVEY ON EMC/EMI
Replies to the Survey
Communication from Thailand
The following communication, dated 14 February 2003, has been received from the Permanent
Mission of Thailand.
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1. (a) Does your government have mandatory technical requirements for
electromagnetic interference of Information Technology equipment?  If so, please
identify.
Thai Industrial Standards Institute (TISI) is planning to enforce the TIS 1956-1999 regulation,
Information Technology Equipment:  Radio Disturbance Limits, as a mandatory standard (for
personal computers) in 2003.
(b) Are these requirements harmonized with CISPR 22?  If not, please explain the
current requirements.
The TIS 1956-1999 has been harmonized with CISPR 22 (based on ISO/IEC)
Guide 21(1999).
2. (a) Does your government have mandatory technical requirements for
electromagnetic immunity of Information Technology equipment?  If so, please identify.
There are no current mandatory standards for electromagnetic immunity of information
technology equipment.
(b) Are these requirements harmonized with CISPR 24?  If not, please explain the
current requirements.
Please, refer to 2(a).
3. (a) What conformity assessment procedure for electromagnetic compatibility
(EMC/EMI), which includes both interference and immunity, does your government
require for approval of information technology products?
There are no current mandatory technical requirements which includes both interference and
immunity.G/IT/SPEC/Q4/23
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(b) May suppliers perform these procedures (e.g. testing, declaration of conformity),
or must third parties perform these procedures?
Please, refer to 3(a).
(c) What international guidelines or standards, if any, are those procedures based
on?  If not, what guidelines or standards are they based on ?
Please, refer to 3(a).
4. Has your regulatory authority received any complaint or had any problems regarding
the EMC/EMI aspects of the approved information technology products?  If yes, howfrequent?  And please identify the nature of the complaint/problem.
No.
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