This field records the proportion of the department in the academic HESA cost centre.

Compulsory for higher education providers (HEPs) in England. Compulsory for all HEPs in Wales, Scotland and Northern Ireland that choose return the academic department to HESA cost centre mapping. Not required for HEPs in Wales, Scotland and Northern Ireland that choose not to return the mapping.

The cost centres referred to in this field are the HESA-defined cost centres.

This field records the percentage of a department that maps to an academic HESA cost centre, i.e. what percentage of a department maps to a particular HESA cost centre.

Not all departments will map to one academic HESA cost centre, and not all academic HESA cost centres may feature staff from only one department.

For that reason, the data collected for each academic HESA cost centre/department mapping includes:

• AcademicCostCentres.PROPACC: the proportion of the department present in a specified academic cost centre
• AcademicCostCentres.PROPDEPT: the proportion of a given academic cost centre which can be said to be attributable to a particular department.

AcademicCostCentres.PROPACC exists to identify instances where departments do not map into a single cost centre.

In the example below, there are two departments and two HESA cost centres. The 'History' cost centre is composed only of staff from the Department of Ancient History. The 'Classics' cost centre, however, is made up of staff from the Department of Ancient History and also the Department of Classical Studies on a 5:10 basis:

• The Department of Ancient History to 'History' mapping has a PROPACC value of 50% - half of that department maps to the 'History' cost centre.
• The Department of Ancient History to 'Classics' mapping has a PROPACC value of 50% - half of that department maps to the 'Classics' cost centre.
• The Department of Classical Studies to 'Classics' mapping has a PROPACC value of 100% - all of that department maps to the 'Classics' cost centre.

The value in this field can be recorded to one decimal place and must be between 0 and 100. The length of this field is 5 characters, however data may be returned with or without leading zeros or the decimal place (e.g. 005.0 or 5.0 or 5).

For those HEPs in Wales, Scotland and Northern Ireland wishing to make a return of academic department to cost centre mappings, the minimum requirement for such a return is that for each mapping, the fields AcademicCostCentres.ACCENTRE, AcademicCostCentres.DEPARTMENT, AcademicCostCentres.PROPACC and AcademicCostCentres.PROPDEPT must all be returned.

Further guidance regarding the calculating of proportions is available in the Further guidance on calculating proportions document.