start on or after 1st Jan 1980
start before 1st Jan 1980
end before 31 Dec 2013
not ended before 31st Dec 2013
precise date of start
publication date of source used as a proxy for start
precise date of end
start from zero - an organizational phase which has no predecessors
a one to one transition where an organizational phase has a single predecessor
an organizational phase which results from the splitting of a single predecessor unit into multiple units
an organizational phase which results from the merging or absorption of multiple predecessor units into a single unit
an organizational phase which results from the reorganisation of multiple predecessor units into multiple new units
Pure creation, an entirely new unit
Nationalisation Private to Public
New mandate Private to Public
Level transfer where a unit has shifted up or down an organisational level and entered the database
Entry into database when the start date was prior to 01-01-1980 and unknown
Devolution
not applicable
Name change
change of superior organisation e.g unit moves to a different department or parent department changes name
horizontal move where a unit keeps its superior organization but changes rank on the same level
Change of level e.g. a unit moves from level 2 to level 1 or vice versa
change of staff/line e.g a staff unit becomes a line unit
change of ministry or agency e.g a ministerial unit becomes an agency or vice versa
change of geographical cluster
change of character type
change of legislation
not a 112 transition. Unit did not change name
a 112 transition where unit changes its name
Not a 122 transition. Unit did not change superior organisation
a 122 transition where unit changes superior organisation
not a 123 transition
a 123 transition where unit moves horizontally within structure
not a 124 transition
a 124 transition where the unit changes level within the structure
not a 125 transition
a 125 transition where the unit changes from being a staff unit to a line unit or vice versa
not a 126 transition
a 126 transition where a ministerial unit becomes an agency or vice versa
not a 127 transition
a 127 transition where a unit changes geographical cluster
not a 128 transition
a 128 transition where a unit changes character type
not a 129 transition
a 129 transition resulting from a change in legislation
a transition that ends one organizational phase and has no successors
a transition that ends one organizational phase and has a single successor
a transition that ends one organisational phase by splitting the organisation and has multiple successors
a transition that ends multiple organizational phases by merging or absorbing them into one single successor
a transition that ends multiple organizational phases by a reorganisation with the units having the same multiple successors
there is no continuity between this phase and its successors
there is continuity between this phase and its successors
not applicable as org phase not ended as of 31 Dec 2013
Unit was terminated
Unit was privatised
Units mandate ended and the unit moved into the private sector
Unit transferred out of the dataset on the same level
Unit leaves the dataset
Change of name
Change of superior organisation e.g unit moves to a different department or parent department changes name
horizontal move where a unit keeps its superior organization but changes rank within the same level
Not a 221 transition
A 221 transition where the unit changes its name
Not a 222 transition
not a 223 transition
a 223 transition involving a horizontal move
not a 224 transition
not a 225 transition
a 225 transition where the unit becomes  staff or line unit
not a 226 transition
a 226 transition where a ministerial unit becomes an agency or vice versa
not a 227 transition
not a 228 transition
not a 229 transition
a 229 transition resulting from a change of legislation
Level 0 – substantial England, England & Wales, Great Britain or UK-wide government bodies led by elected politicians holding ministerial office within the UK government
Level -1 – the top layer of organisational structure within a level 0 organisation
Level -2 – layer of organisational structure below/within the -1 level of an organisation
Level -3 - layer of organisational structure below/within the -2 level of an organisation
ministerial department
non-ministerial department
executive agency
executive non-departmental public body
minus one level unit within a ministerial department
minus two level unit within a ministerial department
not a staff unit
staff unit
not a geographical cluster
a geographical cluster