Does the post of Principal Prison Officer fall within the ambit of the Public Service Commission?

Dear Editor,

Estimates of the Public Sector – 2013
Appendix Q (Page 542)
Ministry of Home Affairs
Programme 3 – Guyana Prison Service

Other Technical and Craft Skilled
Includes the following:
– Chief Prison Officer
– Principal Prison Officer
– Prison Trade Instructor
– Principal Prison 1
– Prison Officer
A Principal Prison Officer alleged on a Capitol News report that a named official of the Public Service Commission advised that her post did not fall within the Public Service and that therefore the complaint could not be addressed.

Given the evidence extracted from the document now being examined by the National Assembly, can someone please verify the accuracy of the reported position of the Public Service Commission?

Yours faithfully,
E B John