Isolating a Period in CATS [CATS Knowledge Base]

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=====Isolating a Period in CATS=====
{{entry>0;Isolating a period;-}}
Isolating a period creates a separate folder of data that preserves the state of the data as of the date of isolation. This allows users to review the accounting, traffic, and invoice information as it was on a specific date. Isolated areas are also essential for closing the accounting year and providing accurate end of month numbers. 

A few tips about isolations:
  * Typically, isolations are done on a month-end basis. However, you can choose to create periods only for each quarter or even on a weekly basis.
  * CATS has room for 18 accounting periods. These periods correspond with the columns on accounting reports.
  * Isolations should be done after all traffic data has been entered into the system, but isolating a period should be done as close to the first day of the next month (or period) as possible to get the most accurate traffic data.

====How to Isolate a Period====
To isolate a period, go to **Maintenance > General Maintenance > Account Update > Isolate a Period.**
[{{:cats:procedures:closeyear:isolateperiod_access.png|Accessing the isolate a period area.}}]

The current list of periods available to isolate will be displayed. Select the period to isolate and ensure that, for new isolations, the setup is as shown in the image below. 
  * **Isolate period** - Use the drop down to choose the period you want to isolate.\\ ++Click here for example | 
{{:cats:procedures:accounting:isolateperiod_selectperiod.png?|Choose the period to isolate.}}++
  * **Isolate as of** - This date will be the date of the isolate period.
  * **Isolation scope** - Complete
  * **New isolation** - Create New Isolation
  * **Auxiliary files** - Overwrite
  * **Acct/Recalc,Ck Contracts** - Check box for Yes
  * **Reindex** - Leave un-checked for No
 
Then choose **Apply** to continue. 
[{{:cats:procedures:accounting:isolateperiod_setup.png?|Select the options shown and a period to isolate. Press apply when finished.}}]

If there are any pending (unposted) invoices for the current or previous periods, CATS will display a list. Select **HTML > Open in Browser** to print the list of invoices or **Exit** to proceed. 

[{{:cats:procedures:accounting:isolateperiod_pendinginvoices.png?|List of Pending Invoices. Select Print to print the list or Exit to proceed}}]

CATS will ask you if you wish to continue. Select **Yes** to continue with the isolation process or **No** to leave the process and either delete or post the invoices. 
[{{:cats:procedures:accounting:isolateperiod_pendinginvoicesexist.png?|Choose Yes to keep isolating or No to return to the main menu.}}]

<note warning>Invoices from the current year should be posted or deleted before making a final year-end isolation - an isolation used to close the year.</note>

You will need to choose where to print the isolation progress report. Pick an output to continue.
[{{:cats:procedures:printer:printmenu_html_openinbrowser.png|Select an output for the progress report.}}]

If you choose **Yes**, CATS will ask when you want to begin the isolation. Select **Start Now** to begin the isolation procedure. 
[{{:cats:procedures:closeyear:isolateperiod_startnow.png|Choose Start Now to begin the isolation proceess.}}]

As files are copied to the isolation, the progress will be displayed in the upper-right corner of the screen. 
[{{:cats:procedures:closeyear:isolateperiod_upperrightprogress.png|Progress of the isolation.}}]

When CATS has finished with the isolation, you will see a notification in the top-right of the screen that declares the isolation is finished. To close this message and return to the isolated area, click the mouse or press any keyboard key.
[{{:cats:procedures:closeyear:isolateperiod_successfulisolation.png|Isolation successful message. Press any key to continue. }}]

You will now be in the isolated area. You can identify if you are in an isolated area by looking at the message in the top-right of the screen, which identifies the name of the area you are in.
[{{:cats:procedures:closeyear:isolateperiod_isolatedwarning.png|Information about which isolated area you are currently in is displayed.}}]


====Re-Isolation====
Occasionally, you may need to re-isolate a period you have previously captured in an isolation. CATS allows you to do so, with a limited scope. Choose Re-Isolate and then **Apply** to continue.
[{{:cats:procedures:accounting:isolateperiod_reisolate.png|Re isolate a period}}]
<note tip>Accounting transactions and invoices can be entered into the current area and CATS can pull back-dated items into an isolation via re-isolation.</note>

===Updating an Existing Isolation===
To pull newly entered transactions with dates from a previous month into an existing isolated area, you must first determine what type of information you wish to capture. Begin the isolation process as described above, but you will need to change the **Scope** of the isolation.
[{{:cats:procedures:closeyear:isolateperiod_scopemenu.png|Choose a scope for this re-isolation.}}]

Options for Scope of the Re-isolation:
  * **Transaction File Only** - Only copy accounting ledger items. 
  * **Futures Trades Only** - Only copy futures trades.
  * **Don't Overwrite Futures** - Copy all but futures trades. 
  * **Start With Locations (No copying)** - Use this only to back out location changes from the isolated area, using the history file.  
  * **Inventory Transactions** - Copy only invoices. 

Depending on what you choose, CATS will copy certain files into the isolated area. 

Here is the typical setup we recommend for re-isolating a period, barring the scope as discussed above.
[{{:cats:procedures:closeyear:isolate_reisolate.png|Re-isolation Setup for non-scope choices.}}]

When the selections are correct, follow the steps above to continue with the re-isolation.

===Creating a New Isolated Period===
You can also choose to create a new isolated area for a period that has already been isolated. CATS will prompt you to do this if you choose **Scope: Complete**. If you want to move the existing isolation to a new folder, you can do so by choosing **Yes**. 
[{{:cats:procedures:closeyear:isolateperiod_newisolation.png|Create new Isolation and copy old.}}]

This will allow you to create multiple independent copies of your isolation data for different purposes.

====Working in Isolated Periods====
You may need to print reports or access data from the isolated areas, or change information in the isolated area. You can do so from the isolated area.
<note important>Changes made in isolated areas only affect that area, not the current area or other isolated periods.</note>

To work in the isolated area, go to **File** > **New Area**.
[{{:cats:procedures:accounting:isolatedarea_filenewareamenu.png|Select File and New Area to enter the isolated area.}}]

Next, select ''Isolated Period'' from the list to see the list of periods. 
[{{:cats:procedures:accounting:isolatedarea_pickfromchooser.png|Select Isolated Period to see the list of periods.}}]

Finally, choose an isolated area to enter. The latest ones will be on the bottom.
[{{:cats:procedures:accounting:islolatedarea_selectarea.png|Choose a period by name to enter and work in that period.}}]

<note>You may need to enter your password to enter the isolated area and leave it for the current area.</note>

While in the area, a message will display in the top right to warn you that you are working in an isolated period and your changes will NOT be saved to the current area.
[{{:cats:procedures:accounting:isolatedarea_isolatedareawarningsticker.png|The sticker in the top right tells you what area you are working in.}}]

<note tip>Click on the warning sticker to move it to a different corner of the screen.</note>
[{{:cats:procedures:accounting:isolatedarea_movewarningsticker.png|Click on the warning note to move it around the screen.}}]

To return to the current area, go to **File** > **New Area** and select the main area for your company. You can also simply Exit CATS and log back in and you will be working in the current area. 

===Reindexing the Isolated Area===
After receiving a CATS update or while working in an older isolated area, you may receive a message that the structure in that area needs updating. This simply means that some files have changed some element of their database - added or deleted a field, changed lengths of fields, etc. We highly recommend reindexing to allow access to all features of CATS in the isolated area.

This can be done very easily by following the prompts on screen.

Select **Yes** when prompted by the warning.
[{{:cats:procedures:accounting:isolatedarea_structurewarning.png|Select Yes when prompted to change the structure.}}]

Leave the settings exactly as they are, and pick Reindex.
[{{:cats:procedures:accounting:isolatedarea_reindexchoices.png|Leave the settings and pick Reindex.}}]

You may be prompted to choose the file location. Leave it as the default area and pick Continue.
[{{:cats:procedures:accounting:isolatedarea_reindexfilelocation.png|Leave your default file location and pick Continue.}}]

Select Yes when asked to confirm reindexing all files.
[{{:cats:procedures:accounting:isolatedarea_reindexstructureallyesno.png|Select yes to confirm and reindex all files.}}]

A progress report will show on screen. It will close when finished and you will be in the isolated area. 
[{{:cats:procedures:accounting:isolatedarea_reindexingprogress.png|Progress report for reindexing process.}}]

The isolated area will pop up and you can work as usual. [{{:cats:procedures:accounting:isolatedarea_isolatedareawarningsticker.png|The isolated area will be open now.}}]

This process only needs to be done when prompted.