Number Purpose
PON 3 Damage to submarine telecommunications cables and plant
PON 4 The paper application for consent to drill is now withdrawn.  Guidance on drilling consents can be seen here 
PON 5 The paper application to abandon or temporarily abandon a well is now withdrawn.  Guidance on abandonment and suspension consents can be seen here 
PON 6 Measurement of petroleum
PON 7 Reporting of petroleum production
PON 8 The paper application to complete and/or workover a well is now withdrawn.  Guidance on well completions can be seen here 
PON 9 Information and sample requirements for offshore surveys and wells under seaward licence terms
PON 9b Record and sample requirements for onshore surveys and wells
PON 12 Well numbering system
PON 13 The paper applications for consent to drill or re-enter HP/HT exploration and appraisal wells are now withdrawn. Guidance on well consents can be seen here 
PON 14b Notification of intention to carry out onshore landward) geophysical surveys; 

The information previously submitted through PONs 4, 5, 8 and 13 is now submitted through the Energy Portal via the Well Operations Notification System (WONS).

Guidance on the use of WONS

Guidance on the legislative requirements for consent to drill and conduct other activities on a well