> For the complete documentation index, see [llms.txt](https://docs.voting.works/arlo/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.voting.works/arlo/audit-administrator/ballot-manifest/review-and-launch.md).
# Review & Launch
After all setup screens are completed and all jurisdictions have uploaded their files, it is time to launch the audit.
First, take a moment to review all of the audit settings for accuracy. Arlo provides all of the details for final review.
{% hint style="warning" %}
**Note**: For **ballot comparison** and **hybrid** audits, some contest names in the CVR files may not match the standardized contest names. To match contest names to the CVR files, simply click on Standardize Contest Names.
And match the contests not found with the contest name in the CVR file.
If candidate names do not match across jurisdiction manager's CVR files, you'll be prompted to Standardize Contest Choice Names.
{% endhint %}
The sample size for each contest will be displayed on the screen.
{% tabs %}
{% tab title="Ballot Polling" %}
For ballot polling audits, the BRAVO (Ballot-polling Risk-limiting Audits to Verify Outcome) sample size is the most efficient number of ballots the RLA math thinks is necessary to complete the audit. Some jurisdictions choose to use that sample size knowing there is a higher possibility of needing to do an additional round of sampling to attain the risk limit. Arlo provides options, allowing you to pick a larger sample size for the first round to create a smaller possibility of retrieving ballots in a second round.
{% endtab %}
{% tab title="Ballot Comparison" %}
{% endtab %}
{% tab title="Hybrid" %}
For a hybrid audit, Arlo will display the number of ballots in the sample that have CVRs and are subject to the ballot comparison math and the number of ballots without CVRs and subject to the ballot polling math.
{% endtab %}
{% tab title="Batch Comparison" %}
For a batch comparison audit, Arlo will display the sample size in number of batches.
{% endtab %}
{% endtabs %}
{% hint style="warning" %}
When the margin of the contest being audited is close, Arlo may warn you that a full hand tally is necessary.
**Note:** a full hand tally can only be completed on one contest and as a ballot polling or batch comparison audit. If auditing multiple targeted contests, remove either the contest(s) requiring a full hand tally or the contest(s) not requiring a full hand tally to proceed. Start a new batch comparison audit to complete a full hand tally for ballot comparison or hybrid audits.
{% endhint %}
At this point, there are two options. The first is Preview Sample. This allows for a quick check to ensure the sample appears correct. A list of jurisdictions and their sample size will be displayed.
Select Launch Audit to officially begin the audit.
---
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