1. Enterprise Structure
2. Personnel Structure
3. Organizational Structure

For an employee , information about these three structures is stored in IT0001

• It is an Independent legal and organizational unit of the system. A client generally is an entire corporate group(example GE).
• It can be a identified by a 3 character alphanumeric code (like 058,AZZ)
• No data exchange can take place between clients (only in exceptional cases)
• An employee who changes from one client to another must be assigned a new personnel number
• Client 000 is delivered by SAP and should not be changed.
• Your SAP system contains both client-independent (e.x. programs , transactions , reports) and client-specific elements.(hr master data , om master data)

• The company code is an independent company with its own Accounting unit; a company that draws up its own balance sheet (e.x. GE Chemicals , GE electric).
• Identified by a 4 character alphanumeric code (ex. 0001,AB01)

• It represent a subdivision of the Personnel Area (Ex for GE Chemicals UK , valid personnel subareas could be GE Chemicals London , GE Chemicals Brussels)
• Identified by a 4 character alphanumeric code (ex. 0002,ABCD)
• Some important indicators set by the PSA include groupings for the following:
  1. Default values for Pay scale area and Pay scale type
  2. Public Holiday calendar
  3. Appraisals
  4. Assigning of legal persons
  5. Default values for Basic Pay
  6. Grouping for wage types
  7. Assignment for tax-related corporate features
• Company regulations (for HR) are defined at the Personnel subarea level. These regulations maybe legal, contractual or company-specific.

Personnel Structure

• Personnel structure displays position of individual people in the enterprise as a whole.It comprises of
  1. Employee Groups
  2. Employee Subgroups.
• Examples: Active, Retiree, External

EMPLOYEE GROUP

• Employee Group is used to classify employees in general terms.
• It defines the position of the employee within the company's workforce
• Identified by 1 character alphanumeric code (Ex 1 , A).
• Examples of different valid Employee Groups would be Active, Pensioners, External
• Employee Group  has the following important organizational functions
  1. Can be used to generate default values for data entry, example for Payroll accounting area or an employee's basic pay.
  2. Can be used as a selection criteria for reporting.
  3. Can be used as an entity for authorization checks.

EMPLOYEE SUB-GROUP (ESG)

• Employee Subgroups are subdivisions of Employee Groups.
• Each ESG is assigned a 2 character alphanumeric identifier ($$).
• Examples of valid ESGs for an Active employee would be Trainee, Hourly Wage Earner, Salaried Employee, Non-pay scale employee
• Employee regulations (for HR) are defined at the Employee Subgroup level.
• Some important indicators set by the ESG include groupings for the following
  1. Work Schedules
  2. Appraisals
  3. Grouping for Wage types
  4. Grouping for Collective agreement provision
  5. Processing of employee's payroll
  6. Assigning employee characteristics like activity status, employment status and level of training.
  7. Time quotas
  8. Payroll Area

Organizational Structure

• It is based on Organizational plan.
• Organizational plan provides foundation of Organizational Management.An organization uses an organizational plan to represent relationships between individual departments and workgroups
• The organizational plan uses elements called objects like Persons (P), Jobs (C), Positions (S), Organizational Units (O), Cost Center (K) etc.
• There are interfaces present that help one to build Organizational Structures

Integration of OM and PA

• Integration switch - PLOGI ORGA integrates PA (Personnel Administration) and OM (Organizational Management).
• If integration between PA and OM exists, then on entering a position in Actions Infotype (0000), system proposes values stored in OM for EG, ESG and PA.