Substitutions Based on Individually Defined Daily Work Schedules (Time Substitutions) 
Use
This substitution variant allows you to store individual planned working times and break times for a substitution.
Use a time substitution if you do not want to set up a substitution based on a daily work schedule and there is no work schedule rule to access.

This time substitutions, as with all substitutions, overwrites the employee’s personal work schedule.

For example, an employee has a planned working time of 8:00 a.m. to 6:00 p.m. A substitution is entered for the employee from 8:00 a.m. to 4:00 p.m. on January 21, 1997. The system overwrites this employee’s personal work schedule with the substitution data.
Result
The employee’s planned working time on January 21, 1997, is reduced, but the employee receives the same payment for the day.
Procedure
1. Choose the Substitutions infotype (2003).
2. Enter a validity period.
3. Select a processing mode.
The Substitutions screen appears in the processing mode you have selected.
4. Enter a Substitution type.
5. In the individual working time section, enter the time period in which this substitution is to take place.
6. Set the
previous day indicator, if you want to assign the record to the previous day.7. Specify any breaks. Determine the break schedule according to one of the following options:
For more information about break times, see the
8. Overwrite the
daily work schedule class, if required.The Daily Work Schedule Class is transferred by the system from the daily work schedule originally assigned to the employee, and can also be overwritten. You can overwrite the default values by only changing one field.

For example, an employee does not normally work on the weekend. You want to record a time substitution for this employee for a Sunday.
The system sets the daily work schedule class 0 in the field. The daily work schedule class 0 is defined in your enterprise as off. In this way, your entries are not taken into account in time evaluation or payroll accounting.
Change the daily work schedule class accordingly.
9. Enter a
10. Maintain the
cost assignment specifications.11. Save your entries.
Result
You have now recorded a substitution based on an individually defined daily work schedule.