KUALA LUMPUR, Feb. 26 -- Did you give fake information to register a prepaid SIM card in Malaysia? You will only be given 20 working days to correct the information or risk losing that number forever, based on new rules.

Here's what will happen if your information is found to be inaccurate or false, based on the Malaysian Communications and Multimedia Commission's (MCMC) new rules issued yesterday:

1. Notice period: The telco will give you a notice of three working days to correct the information.

If you do not update the information within these three days, your prepaid services will be suspended.

(This usually happens in cases of "false registration", such as when an invalid identification document was given, there were errors or no...