If you are the night auditor

Run the close, review the day's reports and sign: what your signature does in the books and what to do when something is off.

Documentation · Paths by role

Getting startedWhat Containn is How it connects to hotel operations Setup: the six first-day steps Glossary of accounting and hotel terms

Paths by roleIf you are the hotel's accountant If you are the general manager If you are the night auditor If you work at the front desk If you are the owner If you are coming from another accounting system

Chart of accountsThe base chart of accounts for Mexico, account by account Account roles: what each one does How to add your own account without breaking the journal entry The SAT grouping code, explained

Hotel transaction codesWhat a concept is and why it exists How to map your codes to your accounts Concepts without an account: what it means and how to fix it Taxes: one account per tax Folio charge categories

Journal entriesThe daily póliza, line by line Manual pólizas Canceling a póliza Why a póliza is not generated: the eleven reasons Póliza numbering and the accounting period

Financial statementsIncome statement Balance sheet Cash flow statement, direct method Trial balance Account ledger

Daily operationsAccounts payable Payroll Fixed assets and depreciation Banks and reconciliation

CloseMonth-end close Year-end close Reopening: when, who, and what gets recorded

SATElectronic accounting: what you file and when Chart of accounts in XML Trial balance in XML Pólizas in XML What Containn does NOT do, and why

InvoicingStamping a CFDI 4.0 invoice Cancelling an invoice Guest self-invoicing Payment complement The digital seal certificate: how to upload it and where it lives

Accounting principlesWhy a signed day is never recalculated Accrual versus cash: why they don't match, and shouldn't The deposit ledger The business date and its cutoff Why a póliza is never edited Precision and rounding: where rounding happens, and why only once

Control and securityThe five accounting permissions Audit trail Safeguarding your information

TroubleshootingThe entry doesn't balance Cash flow doesn't tie to the balance sheet A day shows no activity The tax landed in the general account Bank reconciliation suggests nothing

ReferenceFinancial reports catalog Export formats Frequently asked questions

Your signature is where the hotel's accounting begins. When you close the day, its sheet is frozen and the póliza (Mexican journal entry) the accountant works with is created from it. You do not need to open Containn: your work is in Finances → Day close.

Step by step

If the property closes manually, the screen numbers three steps. In automatic mode the business date rolls at the cutoff time and the audit posts every hour; you review and sign.

Post the night. First open Rate check: every room with the rate it is about to be charged against the plan rate, with differences and zero rates flagged. Then click Run the day's close: it posts room revenue and fixed charges, flags no-shows if automatic no-show is on, and rolls the business date.
Review the day's reports. Open the Trial balance, the Movement journal and Guest balances, and pick the date you are closing in their selector. Resolve any nights left uncharged.
Sign the day. Click Close day with the date the screen proposes. The confirmation shows the debits and credits that were frozen.

The two reports you will use most

Night Audit Totals answers whether the day balances: opening balance plus debits minus credits equals closing balance. From Signed days → See reports you open it exactly as signed.
Movement journal lists every movement with time, room, folio, concept, net amount, tax, service charge, total, user and revenue center, and exports to Excel or PDF. If a person did not make the movement, it says what generated it; if the name came from the shift close, it says so underneath.

Signature rules

Only a day that has ended can be closed, and in order: you cannot skip one.
The property's first close is the anchor: earlier dates stay as unsigned history.
A signed day is never recalculated. Anything corrected later shows up on the open day when it was corrected.
Reopening the last signed day requires the special permission Reabrir un día cerrado (reopen a closed day) and a reason. It is logged, and the signed days table shows it.

Read in this order

What can go wrong

“This property does not have the night audit turned on.” There is no day to sign. Someone who can configure the hotel turns it on in Settings → Accounting concepts.
The date you try to close has not ended. Only a finished day can be signed.
An earlier day is still open. The message names the date to close first: days are signed in order.

Your permissions are in the Finances section of Settings → My Team: Correr la auditoría nocturna (run the night audit) and Cerrar el día de operación (close the business date).

The business date and its cutoffYour accounting day starts at the hour you close, not at midnight. How to set the cutoff, and why a miscalculated window looks like a number, not an error.Why a signed day is never recalculatedWhen the close is signed, Containn freezes the day's figures. A later correction shows up on the day it was made and never rewrites what was signed.The daily póliza, line by lineHow the sheet your night auditor signs becomes a balanced revenue póliza: which account each line hits and what the póliza keeps.A day shows no activityWhy a day has no entry or shows up empty in your books, how to tell whether it was signed, and what to do in each case.

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