Deputy Speakers The Lord Chancellor reported that Her Majesty had (by Commission) revoked certain Letters Patent and had appointed the following as Speakers of the House in the absence of the Lord Speaker:
the Chairman of Committees for the time being John Francis Lord McFall of Alcluith 
Michael John Lord Brougham and Vaux
Jan David Viscount Simon
Euan Michael Ross Lord Geddes
Simon Lord Haskel
Janet Evelyn Baroness Fookes
Jill Elizabeth Baroness Pitkeathley
Nicholas James Christopher Viscount Ullswater
Richard Oliver Lord Faulkner of Worcester
Genista Mary Baroness McIntosh of Hudnall
Margaret Countess of Mar
Patricia Baroness Morris of Bolton
Elizabeth Kay Baroness Andrews
Timothy Eric Lord Boswell of Aynho
John Derek Lord Taylor of Holbeach
Susan Elizabeth Baroness Garden of Frognal
Geoffrey James Lord Dear
Ruth Beatrice Baroness Henig
Ilora Gillian Baroness Finlay of Llandaff
Alistair Basil Lord Lexden
Helen Margaret Baroness Newlove
Monroe Edward Lord Palmer of Childs Hill
Dennis Robert David Lord Rogan
Thomas McLaughlin Lord McAvoy

From the Minutes of Proceedings for 5 March 2018

This type of business sits within the Notifications category.