A spokeswoman for the conservation organisation said its concerns follow its recently published report on the situation.

WWF has repeatedly levelled allegations of illegal logging in Indonesia at the Singapore-headquartered APP. WWF is very concerned about APP's logging activities in high-conservation-value forests in Indonesia, the organisation said.

The latest move comes after comments from a conference held by APP in Birmingham last month, where it reaffirmed its commitment to sustainability and the PEFC chain of custody (PrintWeek, 5 June 2008).

However, WWF also said that this was not satisfactory, adding that FSC certification is the only forest accreditation scheme that it recommends.

The spokeswoman said: Evaluations by WWF of forest certification schemes have found that the different PEFC schemes are highly inconsistent in quality and comprehensiveness and that, as a system, it cannot guarantee well-managed forests.

Last year, APP was kicked out of FSC over allegations of destroying tropical forest in Indonesia. FSC suspended the company’s rights to use its logo last November following the accusations.

At its recent conference Aida Greenbury, director of sustainability and stakeholder engagement at APP Indonesia, denied speculation that the company has been illegally logging wood in Indonesia.

APP’s supply chains had been verified by SGS, which provides inspection, testing, certification and verification services. Greenbury said it found no evidence of illegal wood entering APP’s pulp mill operations.