# 10.5 Services Contract In vtenext there is the SERVICE CONTRACTS module dedicated to the management of a service sold to a customer, which tracks the provision of the service during the time provided for by the contract. For example, if you sell a 20-hour service package valid for 1 year, here you can create a package dedicated to the specific client by entering dates and total number of hours, and track the hours through linked tickets.
**Field** **Description** **Insertion Criterion**
**Due date** End date of contract service When the status is set on Complete, or when the units used reach or exceed the total units
**Planned Duration** Period in days in which the service is planned When saving the record
**Current Duration** Actual period used (in days) When saving the record or when the unit used is updated
**Progress** Percentage progress of the service When saving the record or when the unit used is updated
**Related to** Connection to company or contact Upon creation, manual if you create from scratch, auto-completed if you generate the service from a connected module. Priority is given to Accounts
**Tracking unit** Calculated on the basis of the units used When the contract service is added from invoice, quote, sales/purchase order, the monitoring unit is the one used in the service on the product line
**Total Units** Number of units provided for in the contract Automatically reports the value of the No. of units field of the connected service
**Used Unit** Number of units used so far Scaled from the related tickets according to the time used on each ticket in closed state
**Residual Units** Difference between total units and used units Self-generated
[![Service Contract.png](https://usermanual.vtenext.com/uploads/images/gallery/2022-02/scaled-1680-/service-contract.png)](https://usermanual.vtenext.com/uploads/images/gallery/2022-02/service-contract.png)