myTax Portal Technical FAQ

Frequently Asked Questions about the technical requirements and issues encountered for accessing myTax Portal.

Error pages

Step 1:
Clear cookies, cache and history by following the appropriate procedure below for your web browser: 

Internet Explorer 11

  1. Open start menu and search Internet Options
  2. Select Internet Options and go to Browsing History and click Delete
  3. Leave the checkbox as default and click Delete

Google Chrome

  1. Type chrome://settings/clearBrowsingData in the address bar
  2. Select Time range to All Time
  3. Tick on Browsing History, Cookies and other site data and Cache image and Files
  4. Click on Clear Data

Safari

  1. Click Safari on the menu bar and select Preference
  2. Click Advanced Tab and check Show Develop menu in bar option to add the menu to Safari by default 
  3. Click Develop on the menu bar and select Empty Caches

Firefox

  1. Type about:preferences#privacy in the address bar
  2. Scroll down you will see a History sub heading click Clear History
  3. Select Time range to clear to Everything
  4. Tick on Browsing & Download History, Cookies, Form & Search History, Active Login, Cookies and Cache
  5. Click OK

Microsoft Edge

  1. Click the menu at the top-right corner and select Settings
  2. Under Clear browsing data, click Choose what to clear
  3. Check Cached data and files and click Clear

Note: When you clear your cache and cookies, your previously visited websites will be removed. If you want to save any of these sites for future reference, add them as Bookmarks before clearing cache.

Alternatively, you may use Private Browsing mode on your web browser. For Internet Explorer or Mozilla Firefox, press Ctrl + Shift + P after launching Explorer or Firefox. For Google Chrome,  press Ctrl + Shift + N after launching Chrome.

Step 2: 
Ensure that your device(s) meet the minimum browser compatibility requirement to access myTax Portal.

If problem persists, Livechat us at go.gov.sg/iras-chat or email tpsmu@iras.gov.sg with the following details:

  1. Date and time when you encountered problems
  2. Browser type and version number (e.g. Google Chrome 70, Microsoft Edge 42, Apple Safari 11 etc.)
  3. Operating system you are using (e.g. Windows 10, Macintosh OS 10.13 High Sierra, iOS11, Android 8 etc.)
  4. Whether problem encountered while using desktop or mobile eService
  5. Description of steps leading to problem faced
  6. Error messages or the screenshot of the errors encountered (if any)

Step 1:
Close all existing browsers and log in again on a new window/session.
Alternatively, you can try on another browser using your computer or mobile device.

Step 2:
Clear cookies, cache and history by following the appropriate procedure below for your web browser:

Internet Explorer 11

  1. Open start menu and search Internet Options
  2. Select Internet Options and go to Browsing History and click Delete
  3. Leave the checkbox as default and click Delete

Google Chrome

  1. Type chrome://settings/clearBrowsingData in the address bar
  2. Select Time range to All Time
  3. Tick Browsing History, Cookies and other site data and Cache image and Files
  4. Click on Clear Data

Safari

  1. Click Safari on the menu bar and select Preference
  2. Click Advanced Tab and check Show Develop menu in bar option to add the menu to Safari by default
  3. Click Develop on the menu bar and select Empty Caches

Firefox

  1. Type about:preferences#privacy in the address bar
  2. Scroll down you will see a History sub heading click Clear History
  3. Select Time range to clear to Everything
  4. Tick Browsing & Download History, Cookies, Form & Search History, Active Login, Cookies and Cache
  5. Click OK

Microsoft Edge

  1. Click the menu at the top-right corner and select Settings
  2. Under Clear browsing data, click Choose what to clear
  3. Check Cached data and files and click Clear

Note: When you clear your cache and cookies, your previously visited websites will be removed. If you want to save any of these sites for future reference, add them as Bookmarks before clearing cache.

Alternatively, you may use Private Browsing mode on your web browser. For Internet Explorer or Mozilla Firefox, press Ctrl + Shift + P after launching Explorer or Firefox. For Google Chrome,  press Ctrl + Shift + N after launching Chrome.

If problem persists, Livechat us at  go.gov.sg/iras-chat or email  tpsmu@iras.gov.sg with the following details:

  1. Date and time when you encountered problems
  2. Browser type and version number (e.g. Google Chrome 70, Microsoft Edge 42, Apple Safari 11 etc.)
  3. Operating system you are using (e.g. Windows 10, Macintosh OS 10.13 High Sierra, iOS11, Android 8 etc.)
  4. Whether problem encountered while using desktop or mobile eService
  5. Description of steps leading to problem faced
  6. Error messages or the screenshot of the errors encountered (if any)

Browser Compatibility

Browser Compatibility

For PCs/desktops:

Operating System (OS)   Browser Version  
Windows 10

Internet Explorer 11

Google Chrome 79

Firefox 71

Microsoft Edge 79.0.309.71

Windows 7.0 and 8.1

Internet Explorer 11

Google Chrome 79

Firefox 71

Macintosh Operating System 10.15 Catalina

Google Chrome 79

Safari 13.0

Firefox 71

Macintosh Operating

- System 10.14 Mojave

- System 10.13 High Sierra

Google Chrome 79

Safari 12.1

Safari 13.0

Firefox 71

Macintosh Operating System 10.12 Sierra

Google Chrome 79

Safari 12.1

Firefox 71

For iPhones:

Operating System Browser Version
iOS 13

Google Chrome 79

Safari 13.0

iOS 12

Google Chrome 79

Safari 12.0

 

For Android Phones:

Operating System Browser Version

Android 9 - Pie

Android 8 - Oreo

Android 7 - Nougat

Google Chrome 79

Samsung Internet 10.2

Firefox 71

 

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CorpPass Support

To find out more about the functionalities on CorpPass, visit www.corppass.gov.sg or refer to CorpPass User Guides

Alternatively, you may contact the CorpPass Helpdesk at +65 6643 0577 or email support@corppass.gov.sg for technical help.