brotherton-erpnext/erpnext/docs/user/manual/en/projects/time-log-batch.md

You can bill Time Logs by batching them together. This gives you the flexiblity to manage your customer billing in the way you want. To create a new Time Log Batch, go to 

> Projects > Time Log Batch > New Time Log Batch

OR

Just open your Time Log list and check the Items to you want to add to the Time Log. Then click on "Make Time Log Batch" button and these Time Logs will be selected.

<img class="screenshot" alt="Time Log - Drag Calender" src="{{docs_base_url}}/assets/img/project/time_log_batch.gif">

###Making Sales Invoice

* After submitting the Time Log Batch, "Make Invoice" button shall appear.

<img class="screenshot" alt="Time Log - Drag Calender" src="{{docs_base_url}}/assets/img/project/time_log_batch_make_invoice.png">

* Click on that button to raise a Sales Invoice against the Time Log Batch.

<img class="screenshot" alt="Time Log - Drag Calender" src="{{docs_base_url}}/assets/img/project/time_log_batch_sales_invoice.png">

* When you "Submit" the Sales Invoice, the Sales Invoice number will get updated in the Time Logs and Time Log Batch and their status will change to "Billed".

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