In view of the 465 826 learners without identity (ID) numbers that were recorded on the Department of Basic Education’s Learner Unit Record and Information Tracking System (Lurits) in 2021, what (a)(i) steps is his department taking to ensure that learners without ID numbers are assisted to register their births and receive an ID number before and/or in their matric year, (ii) is the total number of schools that were visited by a mobile unit of his department in each province in the period 1 January to 31 December 2021 and (iii) were the total number of (aa) birth registration and (bb) ID applications were made by learners during the school visits in each province in the specified period and (b) criteria were used to select schools to be visited by the mobile units?