EBU Single Rulebook Q&A 22 April 2014 2014_1090 Different ID

Why "Public sector entities" dimension in the table C 07.00 does not have same type of linking to the table C 02.00 as does have for example "Regional governments or local authorities" dimension? There is ID 89540 in C 07.00 and ID 78636 in C 02.00. See "Public sector entities". There is ID 77913 both in C 07.00 and in C 02.00. See "Regional governments or local authorities". In C 02.