> For the complete documentation index, see [llms.txt](https://local.docs.ssaudit.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://local.docs.ssaudit.com/english-1/system-management-module/input-section.md).
# 11.1 Setup section
From Main Menu, System management module comprises two sections: Setup and Security.
### 1.1. Setup section
**a) Tax rate list**
The user creates a list of input VAT and output VAT. There should be sufficient data on tax ID, description in VN, EN, KOR, tax rates, input VAT account, output VAT account.
**b) Currency unit list**
The user creates a list of available currency used in the company such as VND, USD, EUR, …
**c) Terms Maintenance**
The user creates a list of available terms used in the company such as 00 , 01…
00: Payment by cash
01: Payment within 15 days
…
**d) User access permission**
After creating a new account in general ledger module, for this Account to be used in all modules when hitting the F3 key, the user needs to access this section, click update account list and tick into the “new “created Account. Then click “save.”
**e) Opening Balance**
Choose the ending date of the previous year.
Select each Account having balances from the previous year and enter currency unit, the exchange rate (if any), debit amount, credit amount in foreign Currency and VND.
Click “Save”.
***
### Currency rate types
**When to use:** When the business trades in several currency pairs and needs to declare the **conversion pairs** (e.g. USD–VND, EUR–VND) used as the basis for the Exchange rate table and foreign-currency transactions.
> **Business example:** Declare the pair **USD – VND**, description "US Dollar rate"; the pair **JPY – VND**, description "Japanese Yen rate".
To declare a currency rate type, proceed as follows:
1. Click **New**, enter **Currency 1** and **Currency 2** (3-character codes; press **F3** to pick).
2. Enter a **Description** for the pair.
3. Click **Save** to finish.
> **Note:** When editing, the two currency codes are locked (only the description can be changed) to keep declared rate data consistent.
***
### Data-entry configuration
**When to use:** When you need to set the **auto-numbering rule** for vouchers, the date format, and the rounding precision for each entry screen — so voucher numbers run automatically with the desired prefix and format.
> **Business example:** The *Cash receipt* screen uses prefix "PT", number part "00000" (5 digits), date format "dd/MM/yy" → the system generates "PT06/2026-00001".
To configure data entry, proceed as follows:
1. Choose the **Screen** to configure from the list.
2. Set the reference-number part: **Reference label** (prefix), **Reference number** (number format, e.g. "00000"), tick **Use number**.
3. Set the **Date format** and tick **Use date** to embed the date in the voucher number.
4. Set the **Rounding digits** for quantity and unit price if needed.
5. Click **Save** to finish.
* **Operational notes:**
* The configuration fields are locked until a screen is selected.
* The default date format is `dd/MM/yy`; the default number part is `00000` (5 digits).
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