SCHAPELLE Corby's pleas for clemency have been approved by the Indonesian government.

She may be freed from her Balinese prison cell as early as August.

www.thetelegraph.com.au understands a letter approving clemency is being delivered to Kerobokan Jail this afternoon.

It is understood Ms Corby is about to be told about the letter.

The letter says the Indonesian government has approved the slashing of five years off her sentence.

Sources told thetelegraph.com.au that if the five-year cut is added to previous remissions she could be freed by August.