Some copyright owners in Europe and the US are using IP addresses gathered by monitoring firms to apply for court orders obliging internet service providers to hand over the physical addresses associated with them.
The government says it will soon publish revised guidance, encouraging local authorities to use risk-free land first, and obliging developers to pay for flood defences when they build on risky land.
Mr Mehlis's report also politely but firmly chides Syria for stalling, despite a UN Security Council resolution obliging it to co-operate fully with the investigation.