Malcolm, hi, if you look at Standard 3, of the 'Standards of Proficiency for Nurse and Midwife Prescribers' you will see that it states that
'in order to prescribe you must be satisfied that you have undertaken a full assessment including a full hisotory and, where possible, accessed clinical records...' So yes, you can prescribe for Out-of-Hours services if you do not have access to the patients notes. However, you must be satisfied that you have undertaken a full assessment.
Molly