"Many seem to be in the dark. I was later told the Malaysian team were on a holiday," John told the Malay Mail.
"Once a national FA is suspended, no such activities can take place. We will investigate this matter further."
Indonesia were banned by FIFA in May after repeated warnings from the world governing body about political interference. They were kicked out of the joint World Cup and Asian Cup qualifying campaign as a result of the suspension.
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(Writing by Patrick Johnston in Singapore; Editing by Rex Gowar)
