MINITRY OF INFORMATION AND COMMUNICATIONS
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SOCIALIST REPUBLIC OF VIETNAM
Independence – Freedom – Happiness
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No. 22/2021/TT-BTTTT
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Hanoi, December 13, 2021
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CIRCULAR
ELABORATING A NUMBER OF ARTICLES OF THE GOVERNMENT’S DECREE
NO. 91/2020/ND-CP DATED AUGUST 14, 2020 ON FIGHTING SPAM MESSAGES, SPAM EMAILS,
AND SPAM CALLS
Pursuant to the Law on
Information Technology dated June 29, 2006;
Pursuant to the Law on
Telecommunications dated November 23, 2009;
Pursuant to the Law on
Advertising dated June 21, 2012;
Pursuant to the Law on
Cybersecurity dated November 19, 2015;
Pursuant to the
Government’s Decree No. 91/2020/ND-CP dated August 14, 2020 on fighting spam
messages, spam emails, and spam calls;
Pursuant to Decree No.
17/2017/ND-CP dated February 17, 2017 of the Government on functions, duties,
entitlements, and organizational structure of the Ministry of Information and
Communications;
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The Minister of Information
and Communications hereby promulgates the Circular on elaborating a number of
Articles of the Government’s Decree No. 91/2020/ND-CP dated August 14, 2020 on
fighting spam messages, spam emails, and spam calls.
Article
1. Scope
This Circular elaborates
a number of Articles of the Government’s Decree No. 91/2020/ND-CP dated August
14, 2020 of the Government on fighting spam messages, spam emails, and spam
calls.
Article
2. Regulated entities
This Circular applies to
organizations and individuals involved in the fight against spam messages, spam
emails, and calls; the sending of advertising messages, emails and making of
advertising calls in Vietnam according to Article 2 of Decree No.
91/2020/ND-CP.
Article
3. Interpretation of terms
1. "Message sending
source” is an identified information source that sends messaged to a
subscriber.
2. “Call making source”
is an identified information source that makes calls to a subscriber.
3. “Email sending
source" is an identified information source that send emails to a specific
email address.
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5. “Email receiving
source" is an email address that receives information from the email
sending source.
6. “USSD message”
(Unstructured Supplementary Service Data message) is an information exchange
message between a user and a telecommunications organization or enterprise and
displayed directly on the phone's screen, allowing the user to interact by
using the keyboard.
Article
4. Criteria for recognition of spam messages, spam calls, and spam emails
1. A message is
identified as a spam message according to the following criteria:
a) The frequency of
message sending is the number of messages sent from the message sending source
in a period;
b) Pattern: the sending
source is mainly used for sending messages and the percentage of making or
receiving calls is low; the ratio of sending messages to unrelated subscribers
is the ratio of sending messages to unrelated subscribers (that have never been
texted before) to total messages;
c) Samples of spam
messages are common character patterns for recognition of spam messages
including samples of spam messages collected and shared by telecommunications
enterprises.
2. A call is identified
as a spam call according to the following criteria:
a) The frequency of call
making is the number of calls made from the call making source in a period;
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3. An email is identified
as a spam email according to the following criteria:
a) The frequency of email
sending is the number of emails sent from the email sending source in a period;
b) Pattern:
- The sending source is
mainly used for sending emails and not receiving or exchanging information;
- The ratio of sending
emails to unrelated email addresses is the ratio of sending emails to unrelated
email addresses (have never exchanged emails before) to total emails.
c) The technology that is
used for sending or receiving emails.
Article
5. Instruction on how to report and provide evidence to the receiving system of
reports on spam messages, spam emails, and spam calls for users.
1. Instruction on how to
report and provide evidence of spam messages for users:
a) Send reports via messages
to 5656: users compose a reporting message using the syntax: S [Sending source]
[Spam content] or S (Sending source) (Spam content) and send it to 5656;
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2. Instruction on how to
report and provide evidence of spam calls for users:
a) Send reports via
messages to 5656: users compose a reporting message using the syntax: V [Calling
source] [Spam content] or V (Calling source) (Spam content) and send it to
5656;
b) Submit reports
according to instructions given on thongbaorac.ais.gov.vn or via the
switchboard or the application.
3. Instruction on how to
report and provide evidence of spam emails for users:
a) Submit reports by
forwarding spam emails to [email protected];
b) Submit reports
according to instructions given on thongbaorac.ais.gov.vn or via the
switchboard or the application.
Article
6. Instruction on how to subscribe or unsubscribe from the Do-Not-Call Register
1. How to subscribe or
unsubscribe from the Do-Not-Call Register:
a) Subscribe or
unsubscribe via SMS messages to 5656;
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2. Subscribing and
unsubscribing various services.
a) Subscribe or
unsubscribe from the list of not receiving promotional messages.
- Subscribing message: DK
DNC S to 5656;
- Unsubscribing message:
HUY DNC S to 5656;
b) Subscribe or unsubscribe
from the list of not receiving promotional calls.
- Subscribing message: DK
DNC V to 5656;
- Unsubscribing message:
HUY DNC V to 5656;
c) Subscribe or
unsubscribe from the list of not receiving promotional calls and messages.
- Subscribing message: DK
DNC to 5656;
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3. When subscribing to or
unsubscribing from the Do-Not-Call Register via the website or application,
users must go through the verification step via the used phone number.
Article
7. Instruction on how to assess the status of spam messages and spam calls on
telecommunications networks
1. Authority of
Information Security (AIS) shall make statistics of reports on spam messages
and spam calls of users on the receiving system of reports on spam messages and
spam calls (via 5656).
2. Telecommunications
enterprises shall make statistics and update the data according to the form in
the appendix promulgated with this Circular on the receiving system of reports
on spam messages and spam calls of AIS.
Article
8. Regulations on sending the first and only promotion subscription message
1. Advertisers may only
send the first and only promotion subscription message to 1 subscriber. The
first and only promotion subscription message is tagged with "DKQC".
The tag is placed first in the message.
2. A message must at
least:
a) Introduce the
advertiser who is requesting for subscription;
b) Provide instructions
on how to subscribe to promotions via the system established by the advertiser;
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3. Advertisers may only
send the first and only promotion subscription message from 7 am to 10 pm.
4. If the user does not reply
within 24 hours from the moment he/she receives the first and only subscription
message, the advertiser shall not send any subscription message to that user’s
phone number.
5. The advertiser shall
send a copy of the first and only promotion subscription message to 5656 and
the synchronous data on subscription or decline of receiving the first and only
promotional message to the management system of the Do-Not-Call Register.
Article
9. Instruction on how to display brand names in USSD messages and promotional
calls
1. Brand names in USSD
messages are displayed at the top of promotional messages.
2. Telecommunications
enterprises shall implement technical measures to ensure the display of brand
names regarding phone calls for advertising purposes.
Article
10. Implementation provisions
1. This Circular comes
into force as of March 1, 2022.
2. Chief of Office,
Director of AIS, Directors of Ministry of Information and Communications’
affiliates, Directors of Departments of Information and Communications of provinces,
centrally affiliated cities, General Directors, Directors of telecommunications
enterprises, internet service providers, email service providers, and relevant
entities shall implement this Circular.
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MINISTER
Nguyen Manh Hung
APPENDIX
(Promulgated with Circular No. 22/2021/TT-BTTTT dated December
13, 2021 of the Minister of Information and Communications)
Form of update of data on spam messages and spam calls
NAME OF THE ORGANIZATION
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SOCIALIST REPUBLIC OF VIETNAM
Independence – Freedom – Happiness
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Location, date
UPDATE OF DATA ON SPAM
MESSAGES AND SPAM CALLS
(Reporting month: month/year)
1. Data on messages
No.
Content
Quantity
1
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2
Number of incoming messages
received by that network’s subscriber2
2
Number of spam messages
internally blocked in the network
3
Number of cross-network
spam messages blocked of network A3
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Network C
Network ...
Total
4
Number of messages of
network A sent to other networks4
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Messages sent to
network C
Messages sent to
network ...
Total
5
Number of subscribers
sending spam messages blocked by network A5
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Cross-network
Network B
Network C
Network ...
Total
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2. Data on calls
No.
Content
Quantity
1.
Number of valid reports
on spam calls from users (sent to 5656)6
2.
Number of outgoing
calls7
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3.
Number of subscribers
suspected to be making spam calls
4.
Number of blocked
suspicious subscribers
5.
Number of calls made by
suspicious subscribers
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Number of calls made by
blocked suspicious subscribers
LEGAL REPRESENTATIVE OF ORGANIZATIONS OF INDIVIDUALS
(Signature, full name, and seal (if
any))
____________________
(1) Number
of valid reports on spam messages from users (sent to 5656) means the number of reports on spam messages received on
the receiving system of reports on spam messages (sent to 5656) when having
full information on the sending source; number of reports; content of reports
has meaning; reports do not contain duplicated information within 1 hour
regarding the sending source, reporting phone number, and reporting content,
verified to have data on telecommunications networks by a telecommunications
enterprise.
(2) Number
of incoming messages by that network’s subscriber means the total messages the subscriber of that network
received including messages from users to users; from applications to users;
messages from short brand names and numbers, excluding incoming messages from
abroad.
(3)
Number of cross-network spam messages blocked of Network A means the total spam messages sent from network A to other
networks, blocked by other networks, and reported to AIS.
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(5) Number
of subscribers sending spam messages blocked by network A means the number of subscribers receiving one-way blocks
due to the act of sending spam messages.
(6) Number
of valid reports on spam calls from users (sent to 5656) means the number of reports on spam calls received on the
receiving system of reports on spam messages (sent to 5656) when having full
information on the sending source; number of reports; content of reports has
meaning; reports do not contain duplicated information within 1 hour regarding
the sending source, reporting phone number, and reporting content, verified to
have data on telecommunications networks by a telecommunications enterprise.
(7) Number
of outgoing calls means the number of
calls that network's subscriber made, including internal calls and
cross-network calls.