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Tax Collection System · Available now

Assess, post and collect taxes on a balanced ledger.

Tax Collection System runs a revenue office's work from the taxpayer demand to the money collected and posted. Taxpayers are kept as business partners with a code, contact, address and eligibility note.

  • No per-user fees
  • Manual work is free
  • Configure it in Proto
OverviewDraft Documents
Tax Collection System · Accounting documents

Draft Documents

posting waits for the assessment reviewer

New accounting document
Accounting documents in view
6
Total gross amount USD
3,270
Invoice
2
Credit
2
Record numberSubjectCounterpartyDocument typeDocument dateGross amount USD
AD-359822026 property tax assessment, North QuaySouth Ridge ProduceInvoice21 Oct670
AD-66334Business levy adjustment, Cedar ValeMaple Hollow ServicesCredit29 Oct370
AD-34983October sales tax demand, Birch PointPinefield WorkshopExpense16 Oct360
AD-40341Late filing penalty, Winding CreekWinding Creek HospitalityAdjustment26 Oct710
AD-976102025 assessment correction, Harbor GateMaple Hollow ServicesInvoice11 Oct420
6 of 6 records
2026 property tax assessment, North QuayAccounting documents · AD-35982
Invoice
CounterpartySouth Ridge Produce
Document date21 Oct
Gross amount USD670
OwnerSana Qureshi
Approve demandAD-35982 · 2026 property tax assessment, North Quay

Assessment Reviewer approves, returns or rejects each submitted demand version.

Waiting for Assessment Reviewer
ApproveReturn
Example screen with sample data
Tables, ready to use
17
Saved views
16
Roles with set permissions
5
Reports and dashboards
10
Features

Screens for officers, reviewers and collections

Every feature works on the same records. Pick one to see the screen your team works in.

Taxpayer Demands

Prepare demand, refund and adjustment documents for each taxpayer with line-level net and tax amounts.

  • Draft, review, approve, post
  • Versions on every submission
  • Lines carry the accounting
  • Accounting documents
  • Document lines
  • Business partners
  • Ledger accounts
Explore taxpayer demands
OverviewPosted Demands
Tax Collection System · Taxpayer Demands

Posted Demands

Accounting documents

New
Record numberCounterpartyDocument typeGross amount USDPosting datePosted at
AD-28289Maple Hollow ServicesInvoice37020 Oct23 Oct
AD-48879Pinefield WorkshopCredit93018 Oct23 Oct
AD-38798Winding Creek HospitalityExpense28018 Oct21 Oct
AD-26160Birch Point FabricationAdjustment42009 Oct13 Oct
AD-90543Pinefield WorkshopInvoice47016 Oct18 Oct
6 of 6 records
Maple Hollow ServicesAccounting documents · AD-28289
Invoice
Gross amount USD370
Posting date20 Oct
Posted at23 Oct
Example screen with sample data
Process

From taxpayer demand to collected tax

Demand to collection ships ready to use. 2 steps need a named approval before the work moves on: Approve demand (Assessment Reviewer) and Reconcile assessment (Assessment Reviewer).

Drag a card to another stage, or focus it and use the arrow keys. It updates to match the stage.

  1. Prepare demand

    Raise the taxpayer's demand with lines, accounts, net and tax amounts and evidence.

    2026 property tax assessment, North QuayAD-35982 · Assessment Officer
    Prepare demandBy Assessment Officer
  2. Approve demand

    An independent reviewer decides the exact version submitted.

    2026 property tax assessment, North QuayAD-35982 · Assessment Reviewer
    Approve demandBy Assessment Reviewer
    ApprovalAssessment Reviewer approves, returns or rejects each submitted demand version.
  3. Reconcile assessment

    Approve the authority's assessment against the evidence on the demand.

    2026 property tax assessment, North QuayAD-35982 · Assessment Reviewer
    Reconcile assessmentBy Assessment Reviewer
    ApprovalAssessment Reviewer approves or rejects each submitted authority assessment.
  4. Post to ledger

    Post the approved demand as a balanced journal in an open period.

    2026 property tax assessment, North QuayAD-35982 · Assessment Officer
    Post to ledgerBy Assessment Officer
  5. Record challan payment

    Import the bank's verified payment once, by its provider event.

    2026 property tax assessment, North QuayAD-35982 · Collections Officer
    Record challan paymentBy Collections Officer
  6. Apply collection

    Apply the receipt to the taxpayer's posted demand within the amount due.

    2026 property tax assessment, North QuayAD-35982 · Collections Officer
    Apply collectionBy Collections Officer
Inside a record

Demands, assessments and payments on one ledger

Open any accounting document to see its cash applications, the roles that work on it, its process stages and its approvals on one page.

  1. 1
    Record details

    Counterparty, Document date, Gross amount USD and Owner.

  2. 2
    Cash applications

    Each line is linked to this accounting document.

  3. 3
    Who works on it

    Assessment Officer, Assessment Reviewer and Collections Officer, each with their own permissions.

  4. 4
    Process stages

    Prepare demand, with the role that acts.

  5. 5
    Approvals

    Approve demand and Reconcile assessment, with who decides.

Draft Documents2026 property tax assessment, North Quay
Tax Collection System · Accounting documents

2026 property tax assessment, North Quay

South Ridge Produce · Invoice

Log activity
1
Record details
CounterpartySouth Ridge Produce
Document date21 Oct
Gross amount USD670
OwnerSana Qureshi
2
Cash applications

2026 property tax assessment, North Quay

ReceiptDocumentApplied USD
Maple Hollow installment, Oct 132026 property tax assessment, North Quay870
Cedar Vale levy payment, Oct 15Late filing penalty, Winding Creek590
Winding Creek penalty payment, Oct 14Business levy adjustment, Cedar Vale230
Cash applications
6
Total applied USD
3,430
3

Who works on it

  • Assessment OfficerManage accounting documents, document lines, tax assessments…
  • Assessment ReviewerManage review decisions
  • Collections OfficerManage cash receipts, cash applications
4

Process stages

  • Prepare demandAssessment Officer
5

Approvals

  • Approve demandAssessment Reviewer
    Approved
  • Reconcile assessmentAssessment Reviewer
    Waiting
Example screen with sample data
Approvals

An independent decision on every demand

OverviewApprovals
Tax Collection System · Overview

Approvals

Signed in as Assessment Reviewer

Waiting for you

4 To review1 Overdue2 Decided todayOnly mine
0 selectedApproveReturn
  • TA-47418North Basin District
    Payment allocation reversal, PinefieldRequested by Assessment Officer
    Waiting3dActions
  • TA-33478Cedar County
    Payment allocation reversal, PinefieldRequested by Assessment Officer
    Waiting1dActions
  • TA-38271Westhaven City
    October sales tax demand, Birch PointRequested by Assessment Officer
    Waiting4dActions
  • TA-81343Pine Valley District
    2025 assessment correction, Harbor GateRequested by Assessment Officer
    Waiting3dActions

Who approves what

DecisionApprover
Approve demandAn independent reviewer decides the exact version submitted.Assessment Reviewer
Reconcile assessmentApprove the authority's assessment against the evidence on the demand.Assessment Reviewer
Approve accounting documents, tax assessments, journal entriesAssessment Reviewer
3 approval rules · set per role in Proto
Example screen with sample data
Roles

A workspace for each role

Everyone opens Tax Collection System to the work that is theirs. Pick a role to see what it starts with.

Assessment Officer

Prepares demand, refund and adjustment documents with their lines and evidence, records authority assessments and posts approved documents.

This is the first screen this role sees.

OverviewDraft Documents

Draft Documents

Accounting documents · Assessment Officer

Record numberSubjectCounterpartyDocument typeDocument dateGross amount USD
AD-359822026 property tax assessment, North QuaySouth Ridge ProduceInvoice21 Oct670
AD-66334Business levy adjustment, Cedar ValeMaple Hollow ServicesCredit29 Oct370
AD-34983October sales tax demand, Birch PointPinefield WorkshopExpense16 Oct360
AD-40341Late filing penalty, Winding CreekWinding Creek HospitalityAdjustment26 Oct710
AD-976102025 assessment correction, Harbor GateMaple Hollow ServicesInvoice11 Oct420
6 of 6 records
Example screen with sample data
Reports

Outstanding demands, collections and assessments

Review assessed against collected amounts, outstanding demands, collections, assessments and the ledger.

Overview
Tax Collection System · Overview

Tax Collection System dashboard

This quarter

Tax assessments in view
6
Total assessed USD
1,830

Accounting documents by status

How far records got this quarter

StageReachedStep
Draft41
Review3073%
Approved2273%
Posted1568%

Gross amount USD by status

Sample totals per stage

6.0k0
3.0kDraft
2.0kReview
2.0kApproved
6.0kPosted
4.0kReversed
Example screen with sample data
  1. 01Assessed against collected by taxpayer

    For each business partners taxpayer, compare posted invoice gross amount USD with cash applications applied USD, then by document.

  2. 02Outstanding demands by age

    List Posted invoice accounting documents with remaining amount by posting date age band.

  3. 03Collections by month

    Total verified cash receipts amount USD by received at month.

  4. 04Unapplied receipts

    List verified cash receipts whose amount USD exceeds their total cash applications applied USD.

  5. 05Tax assessed by jurisdiction

    Total tax assessments assessed USD by Jurisdiction, then by Status.

  6. 06Refunds and adjustments

    List Credit and Adjustment accounting documents by Status with gross amount USD.

  7. 07Ledger balances by account

    Total journal lines debit USD and credit USD by ledger accounts Type, then by Code and Period.

  8. 08Unposted documents by type

    Count Draft, Review and Approved accounting documents by document type.

  9. 09Review outcomes

    Count review decisions by Decision and Reviewer with reasons.

Controls

Protect the ledger from duplicates and edits

Each stage of demand to collection names the role that acts and the status it records, so a change is never anonymous.

OverviewDemand to collection
Tax Collection System · Process

Demand to collection

Each stage, the role that acts and the status it records

Process stages
12
Approval steps
2
Roles involved
4
Tables touched
15
Submit for review
Assessment Officer
StatusDraft → Review
Approve demandApproval
Assessment Reviewer
StatusReview → Approved
RecordsReview decisions
Reconcile assessmentApproval
Assessment Reviewer, Assessment Officer
StatusDraft → Submitted
RecordsTax assessments
Demand to collection
  1. Start
    Submit for reviewDraft → Review
    Assessment Officer
  2. Approval
    Approve demandReview → Approved
    Review decisions
  3. Approval
    Reconcile assessmentDraft → Submitted
    Tax assessments
  4. Step
    Post to ledgerDraft → Posted
    Accounting periods
  5. Approval
    Correct or reversePosted → Reversed
    Assessment Reviewer
Example screen with sample data
AI agent

Prepare the day's revenue work with Proto

Prepare and review demands, assessments and collections with Proto.

It can

  • Assessment Officer: List my draft demands missing evidence or ledger accounts.
  • Assessment Reviewer: Summarize assessments awaiting approval with the amount on the attached order.
  • Collections Officer: List verified receipts with unapplied amounts by taxpayer.
  • Revenue Accountant: Show unposted approved documents and Pending receipts for this period.

Stays with a person

  • Review decisions, postings, applications and period close stay with the configured people and their permissions.
  • Proto does not interpret tax law or set rates.
  • It prepares lists, summaries and configuration for review, using the signed-in person's access.
Integrations

Connects to the tools you use

Set up connections through ERP.AI and Proto workflows, with every change logged.

  • Tax Collection System
  • Banks and payment gateways
  • Taxpayer portal
  • Authority assessment system
  • Main accounting system
  • Identity provider
Data model

Your data, in tables you can change

Every record lives in a table you can see, extend and export. Add fields or whole tables in Proto.

Browse all 17 tables
17tables
  • Taxpayer Demands4
  • Tax Assessments4
  • Review Queue4
  • Collections4
  • Ledger and Periods4
  • Activity and Evidence4
Implementation

Roll out one team at a time

Start with one team and one process, then add the rest once the basics are running.

  1. Agree the operating boundary

    The scope is demands, assessments, review, ledger posting, periods, challan import and collection application. Banks, gateways, taxpayer portals and the main accounting system remain connected. The authority applies tax law and rates; Proto prepares configuration for review.

  2. Map the source data

    Bring offices, taxpayers, the chart of accounts, periods, open demands with lines and assessments, and recent receipts.

  3. Configure a bounded pilot

    Pilot one tax type in one office. Raise demands through review and posting, import challans and apply them for a month.

  4. Rehearse the exceptions

    Return a demand and approve the revised version. Reject an assessment with the wrong amount. Import a bank file twice. Apply an overpayment. Correct a posted demand. Post into a closed period.

  5. Reconcile and release

    Compare receivables, collections and period balances with the source and the bank. Obtain the revenue head’s acceptance and agree the rollback window before adding tax types.

Pricing

$0per user

The base account and everyday work in the ERP.AI app are free, for every user.

  • No per-user or per-seat fees
  • Viewing, editing, approving and exporting records in the app is free
  • Pay only for machine work: API calls, imports, workflows and AI agents
  • Prepaid credits from $5. Purchased credits never expire

Pricing details

Machine work rate card Included per $1 of credit

Machine work rate card
UsagePer $1
Record reads (list, filter, get)20,000
Search or aggregate queries4,000
Record writes4,000
Imported or synced records200,000
Workflow runs2,000
AI agent runs2,000
Scheduled jobs or webhooks20,000
File uploads (MB)2,000
CSV or PDF exports100
FAQ

Questions, answered

Scope, rollout and pricing for Tax Collection System.

All questions
How do I get started?

Click Get started, then use Proto to configure Tax Collection System for your business. Pilot one tax type in one office: raise demands through review and posting, import challans and apply them for a month, then reconcile receivables and collections before adding tax types.

Who approves a demand?

An Assessment Reviewer independent of the officer approves, returns or rejects the exact version submitted, with a reason.

How are authority assessments checked?

Each assessment is approved only after its jurisdiction, date, amount and reference are checked against the evidence attached to the same demand.

How are challan payments recorded?

Payments from banks and gateways arrive as verified receipts with a provider event ID. A receipt already imported is refused.

Can a payment cover part of a demand?

Yes. A receipt is applied within the amount still due, and any remainder stays unapplied until resolved.

How are refunds handled?

Refunds and abatements are credit documents that pass the same review and posting as demands.

Can posted demands be corrected?

Yes, through a compensating journal in an open period that the reviewer approves. The original is marked Reversed.

Does it calculate tax?

Officers enter tax amounts on each line under the authority's rules. Rates and tax law are applied by your staff.

What drives the cost?

Ordinary manual use has no per-user charge under the platform policy. Imports, integrations, agent execution and other machine work consume prepaid credits; implementation is scoped separately. The pricing page lists the current rates.

Set up Tax Collection System your way.

Start free, then use Proto to change fields, steps and approvals before your team goes live.

How to get started

A personal agent for your business

Get started with Proto

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