There's another line here that DPKO confirms that Minurso would be allowed to supervise the withdrawal and replacement of the guns.

BBC: News Online

The DPKO finally confirmed on 21 June that Minurso would be allowed to supervise the withdrawal and replacement of Moroccan 105mm guns along the Berm.

BBC: News Online

Mr Annan's spokesman, Ahmed Fawzi, said on Tuesday that an advance team from the UN's Department of Peacekeeping Operations (DPKO) would arrive in Damascus "in the next 48 hours" to discuss the deployment of international monitors.

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According to the Foreign Office, there were seven meetings here between 1st February 1999 and June 21st 1999, when the British team finally sent a telex back to the Foreign Office on an agreement they said they'd reached with the UN Department of Peace Keeping Operations - DPKO - and with Minurso, the UN mission in Western Sahara.

BBC: News Online