They'll be quizzing the Cabinet Secretary Sir Jeremy Heywood, and Sir Bob Kerslake, head of the home civil service on .....the future of the civil service.

BBC: Week ahead

Running the home civil service is now a part-time post, held by Sir Bob Kerslake, who is also in charge of the department of local government.

ECONOMIST: Civil-service reform

We will therefore review and seek realignment of the governance and performance of the Assembly Government civil service, better to reflect the developing requirements of devolution whilst remaining part of the Home Civil Service.

BBC: The hunt for a new 'Sir Humphrey'

And the Public Accounts Committee has a double-headed session with top civil servants - first (at 3.15pm) they're looking at the issue of accountability with the Cabinet Secretary, Sir Jeremy Heywood and Sir Bob Kerslake, head of the Home Civil Service and Permanent Secretary at the DCLG.

BBC: Week ahead in Parliament