# The Nuclear Safeguards (EU Exit) Regulations 2018, Part 3: MATERIAL BALANCE REPORT (MBR)


Label/tag
Content
Comments
#
MBA
Character (4)
MBA code of reporting MBA
1
Report type
Character (1)
M for Material Balance Report
2
Report date
DDMMYYYY
Date on which the report was completed
3
Start report
DDMMYYYY
Starting date of MBR (date of last PIT +1 day)
4
End report
DDMMYYYY
End date of MBR (date of current PIT)
5
Report number
Number (8)
Sequential number, no gaps
6
Element category
Character (1)
Category of qualifying nuclear material
7
Line count
Number (8)
Total number of lines reported
8
Reporting person
Character (30)
Name of person responsible for report
9
IC code
Character (2)
Type of inventory change
10
Line number
Number (8)
Sequential number, no gaps
11
Element weight
Number (24.3)
Element weight
12
Isotope
Character (1)
G for U-235, K for U-233, J for a mixture of U-235 and U-233
13
Fissile weight
Number (24.3)
Weight of fissile isotope
14
Obligation
Character (2)
Safeguards obligation
15
Correction
Character (1)
D for deletions, A for additions forming part of a deletion/addition pair, L for late lines (stand-alone additions)
16
Previous report
Number (8)
Report number of line to be corrected
17
Previous line
Number (8)
Line number of line to be corrected
18
Comment
Character (256)
Operator comment
19
CRC
Number (20)
Hash code of line for quality control purposes
20
Previous CRC
Number (20)
Hash code of line to be corrected
21

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Source: https://www.legislation.gov.uk/ukdsi/2018/9780111175545/schedule/1/part/3 (the official version)
Page: https://openlegislation.uk/draft-nuclear-safeguards-eu-exit-regulations-2018/schedule-1/part-3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.