OOF™ Origin Open Foundation™

Independent Methodological Authority

Architecture Ecosystem: Structured Reality Standards™
Architecture Family: TREGA™ — Tax-Relevant Event Governance Architecture™
Parent Standard: Tax-Relevant Event Boundary Standard (TREBS)
Module: EBIM — Event Boundary Identification Module
Operational Layer: Event Boundary Identification Governance Layer
Category: Governance & Enforcement
Subcategory: Tax-Relevant Event Governance
Type: Core Module
Governed Space: Event Boundary Identification
Origin ID: TREGA-TREBS-EBIM-001
Version: 1.0
Status: Canonical · Open Standard
Effective Date: 30 August 2026
AI-Readable: Yes
Authority: OOF®
Protection: MIP® — Methodology Intellectual Property Protection
Canonical Language: English ------------------------------

Canonical Definition

The Event Boundary Identification Module (EBIM) governs how the
potential structural perimeter of a sufficiently formed event is
identified before its detailed scope, exclusions, separation
conditions, or subsequent boundary revisions are established.

EBIM receives a Governed Formed Event from the Tax-Relevant Event
Formation Standard (TREFS) and identifies the materially relevant
structural limits that may define where the event begins, where
it ends, and where surrounding operational activity may require
distinction.

Its specific task is:

to establish an evidence-linked Candidate Event Boundary that can
legitimately proceed into Event Boundary Scope governance without
treating technical, commercial, organizational, platform, or
machine structures as authoritative Event Boundaries by default.

EBIM identifies the candidate boundary.

It does not finalize the complete Event Boundary.
------------------------------

Operational Role

Event Formation establishes what has been structurally formed as
an event.

EBIM establishes where the potential structural perimeter of that
formed event appears to lie.

This distinction is fundamental.

A formed event may contain a coherent internal structure while
its precise perimeter relative to surrounding activity remains
unresolved.

Therefore:

Formed Event ≠ Bounded Event.

And:

Candidate Event Boundary ≠ Final Event Boundary.

EBIM provides the first governed transition from Event Formation
into Event Boundary governance. ------------------------------
Internal Flow

Governed Formed Event

↓

Boundary Signal Identification

↓

Candidate Boundary Element Identification

↓

Boundary Anchor Assessment

↓

Boundary Perimeter Construction

↓

Boundary Ambiguity Detection

↓

Candidate Event Boundary

↓

EBSCM — Event Boundary Scope Module
------------------------------ Operational Space

EBIM operates within the governance space where a formed event
must be distinguished from surrounding operational reality.

Its Operational Space includes: identification of potential Event
Boundary signals identification of candidate boundary elements
recognition of possible beginning and ending limits
identification of structural perimeter indicators assessment of
potential boundary anchors detection of competing boundary
representations detection of incomplete boundary information
detection of ambiguous boundary conditions identification of
technical structures incorrectly presenting themselves as
boundaries identification of commercial structures incorrectly
presenting themselves as boundaries identification of machine or
autonomous execution structures incorrectly presenting themselves
as boundaries traceability of the basis used to identify the
Candidate Event Boundary

EBIM governs boundary identification, not complete boundary
adjudication. ------------------------------ Operational Scope

EBIM applies to formed events arising from: commercial
transactions financial operations contractual activity digital
services platform activity distributed systems autonomous agents
AI systems robotic operations machine-to-machine activity
infrastructure operations digital assets value-affecting
processes mixed physical-digital activity future machine
economies

The module is actor-neutral and technology-neutral.

The same governance logic applies whether the underlying activity
was performed by humans, organizations, software, autonomous
systems, machines, or combinations of them.
------------------------------ Boundary Signals

A Candidate Event Boundary may be indicated by multiple forms of
operational information.

Potential Boundary Signals may include: initiation or termination
of a materially coherent activity transition between materially
distinct operational structures completion of a defined
operational objective change in the governed formation structure
emergence of an independent operational result separation between
coordinated but distinguishable activities discontinuity in
operational execution transition between materially different
participant structures transition between materially different
value-affecting structures separation between independently
reconstructable operational occurrences

No individual signal automatically establishes the Event
Boundary.

Boundary Signal ≠ Event Boundary.

Boundary Signals provide governed inputs for identification.
------------------------------ Candidate Boundary Elements

EBIM identifies the elements that may contribute to the
structural perimeter of the event.

A Candidate Boundary Element may represent: a beginning indicator
an ending indicator a structural transition an operational
separation point an interface with surrounding activity a
transition into another formed event a discontinuity requiring
further boundary analysis

Candidate Boundary Elements must remain traceable to the
underlying Governed Formed Event and supporting operational
information.

Candidate Boundary Element ≠ Confirmed Boundary Element.

Confirmation of what belongs within the Event Boundary is handled
through subsequent Boundary Scope governance.
------------------------------ Boundary Anchors

Operational systems frequently contain apparent boundary anchors.

These may include: order IDs invoice numbers payment IDs
settlement records shipment numbers contract identifiers workflow
instances API sessions database transactions machine jobs robotic
tasks autonomous objectives blockchain transactions accounting
entries

Such anchors may provide useful evidence.

They must not become authoritative Event Boundaries merely
because they exist.

Therefore:

Technical Identifier ≠ Event Boundary.

Commercial Identifier ≠ Event Boundary.

Workflow Boundary ≠ Governed Event Boundary by Default.

Machine Task Boundary ≠ Governed Event Boundary by Default.

EBIM evaluates these structures as possible boundary evidence
rather than accepting them as boundary truth.
------------------------------ Multiple Boundary Representations

The same formed event may be represented differently across
systems.

For example:

Marketplace

↓

Order

Bank

↓

Settlement

ERP

↓

Invoice

Logistics Platform

↓

Shipment

Machine System

↓

Execution Objective

These representations may describe different aspects of the same
operational reality.

EBIM must therefore allow multiple Candidate Boundary
representations to coexist where the available information does
not yet justify one dominant interpretation.

Multiple Representations ≠ Multiple Events by Default.

Likewise:

One Shared Representation ≠ One Event by Default.
------------------------------ Boundary Ambiguity

A Candidate Event Boundary may remain ambiguous.

Ambiguity may arise where: beginning or ending indicators
conflict different systems represent different perimeters
formation structures overlap operational activity is continuous
distributed systems lack a single termination point autonomous
systems execute continuously commercial and operational
structures diverge available evidence does not sufficiently
distinguish surrounding activity

EBIM must preserve such ambiguity rather than forcing artificial
precision.

Possible identification states include:

Boundary Candidate Identified

Boundary Candidate Ambiguous

Multiple Boundary Candidates

Boundary Candidate Insufficient

Boundary Identification Unresolved

Uncertainty must remain visible for downstream governance.
------------------------------ Continuous and Distributed
Activity

Some events do not contain obvious physical or technical start
and end points.

Examples include: continuous cloud services streaming digital
services autonomous infrastructure distributed compute operations
algorithmic trading systems machine networks continuous
manufacturing subscription-based digital activity persistent
AI-agent operations

EBIM must therefore support boundary identification without
requiring a single transaction record or discrete technical
execution.

Continuous Operation ≠ Boundaryless Event.

Where operational reality is continuous, the Candidate Event
Boundary must be identified from materially meaningful structural
distinctions rather than arbitrary technical segmentation.
------------------------------ Autonomous and Machine-Generated
Events

Machine systems can generate extremely large numbers of
operational actions.

EBIM must prevent those actions from automatically becoming
independent Event Boundaries.

A robot movement, API request, model invocation, machine
instruction, sensor event, compute allocation, or automated
payment step may contribute to a larger event without defining
its perimeter.

Likewise, one autonomous objective may generate multiple
materially distinguishable events.

Therefore:

Machine Action ≠ Event Boundary by Default.

Autonomous Objective ≠ Single Event Boundary by Default.

The governed boundary must follow operational structure rather
than machine execution granularity.
------------------------------ Governance Requirements

EBIM requires that:

1.

Boundary identification begins from a Governed Formed Event. 2.

Potential Boundary Signals are identified before a Candidate
Event Boundary is established. 3.

Technical identifiers are treated as evidence rather than
authoritative boundaries. 4.

Commercial identifiers do not automatically determine Event
Boundaries. 5.

Workflow structures do not automatically determine Event
Boundaries. 6.

Machine and autonomous execution structures remain subject to the
same governed boundary logic as human activity. 7.

Competing Candidate Boundaries remain visible where unresolved.
8.

Boundary ambiguity is preserved rather than artificially
resolved. 9.

Boundary identification remains traceable to supporting
operational information. 10.

Event Boundary identification remains independent of
jurisdiction-specific tax consequences. 11.

EBIM does not determine detailed Boundary Scope. 12.

EBIM does not perform Event Boundary exclusion or separation
governance. 13.

EBIM does not determine legal taxability.

------------------------------ Governance Logic

EBIM follows the following governance logic:

If a Governed Formed Event exists, its potential structural
perimeter must be identifiable before detailed Boundary Scope can
be governed.

If sufficient Boundary Signals exist:

→ establish a Candidate Event Boundary.

If several legitimate Candidate Boundaries exist:

→ preserve the alternatives for subsequent governance.

If Boundary Signals conflict:

→ classify the boundary identification as ambiguous or
unresolved.

If technical or commercial structures are the only available
basis:

→ retain them as provisional boundary evidence rather than
automatically accepting them as the governed boundary.

If the available information cannot support meaningful boundary
identification:

→ the event must not be represented as boundary-ready.
------------------------------

Minimum Implementation Framework

A conforming implementation of EBIM must be capable of:

1.

receiving the Governed Formed Event from TREFS 2.

identifying materially relevant Boundary Signals 3.

identifying Candidate Boundary Elements 4.

distinguishing operational boundary evidence from technical
segmentation 5.

evaluating potential Boundary Anchors 6.

constructing at least one Candidate Event Boundary where
sufficient information exists 7.

representing multiple Candidate Boundaries where necessary 8.

detecting boundary ambiguity 9.

detecting insufficient boundary information 10.

preserving traceability between the Candidate Event Boundary and
its supporting basis 11.

assigning a governed boundary-identification state 12.

transferring the Candidate Event Boundary to EBSCM 13.

preventing boundary identification from becoming tax
determination

EBIM does not prescribe a specific database model, event-stream
architecture, graph representation, ERP structure, AI model,
workflow system, blockchain architecture, or tax engine.
------------------------------

Governance Outputs

EBIM may produce: Candidate Event Boundary Boundary Signal Record
Candidate Boundary Element Set Boundary Anchor Record Boundary
Identification State Boundary Ambiguity Indicator Multiple
Boundary Candidate Record Boundary Insufficiency Indicator
Boundary Identification Traceability Record

Its principal governed output is:

Candidate Event Boundary

This output proceeds to:

EBSCM — Event Boundary Scope Module
------------------------------ Critical Distinctions

Event Formation ≠ Event Boundary

Formed Event ≠ Bounded Event

Boundary Signal ≠ Event Boundary

Candidate Event Boundary ≠ Final Event
Boundary

Candidate Boundary Element ≠ Confirmed
Boundary Element

Technical Identifier ≠ Event Boundary

Commercial Identifier ≠ Event Boundary

Workflow Boundary ≠ Governed Event
Boundary by Default

Machine Task Boundary ≠ Governed Event
Boundary by Default

Multiple Records ≠ Multiple Event
Boundaries

Multiple Representations ≠ Multiple Events
by Default

One Shared Identifier ≠ One Event by
Default

Continuous Operation ≠ Boundaryless Event

Machine Action ≠ Event Boundary by Default

Autonomous Objective ≠ Single Event
Boundary by Default

Event Boundary Identification ≠ Event
Boundary Scope

Event Boundary ≠ Tax Jurisdiction

Candidate Event Boundary ≠ Legal Tax Point

Boundary Identification ≠ Taxability Determination
------------------------------ Enterprise Application

Enterprise systems rarely agree on where an event begins and
ends.

The same activity may be represented as:

CRM Opportunity

↓

Commerce Order

↓

ERP Invoice

↓

Bank Settlement

↓

Logistics Shipment

↓

Accounting Entry

Each system creates boundaries appropriate to its own operational
purpose.

Those boundaries are not necessarily the boundaries required for
a governed Tax-Relevant Event.

EBIM creates a neutral governance layer above those
representations.

It allows organizations to identify Candidate Event Boundaries
without allowing one internal system, commercial identifier, or
technical architecture to become the authoritative definition of
operational reality.

This is particularly important where governed event information
must later be consumed by multiple tax systems or jurisdictions.
------------------------------ Use Case 1 — One Marketplace Order
Across Multiple Operational Structures

A customer places one marketplace order containing products from
three merchants.

The platform creates one order ID.

The merchants generate three invoices.

Two logistics providers create four shipments.

The payment provider performs two settlements.

One item is subsequently refunded.

Each system presents a different apparent boundary.

EBIM does not automatically accept the order ID, invoice,
shipment, settlement, or refund record as the Event Boundary.

Instead, it identifies the materially relevant Boundary Signals
and constructs one or more Candidate Event Boundaries for
subsequent scope governance.

This prevents the platform's technical architecture from deciding
the governed structure of the event.

The order identifier is boundary evidence — not boundary
authority. ------------------------------ Use Case 2 — Continuous
Autonomous Cloud Infrastructure

An autonomous AI infrastructure platform continuously allocates
compute, storage, networking, model execution, and settlement
resources across multiple data centers.

Millions of technical actions occur every day.

There is no single transaction record representing the complete
operational activity.

Treating every machine action as an Event Boundary would produce
artificial fragmentation.

Treating the entire continuous platform operation as one
permanent event would produce artificial aggregation.

EBIM identifies materially meaningful Boundary Signals within the
continuous operational structure and establishes Candidate Event
Boundaries capable of progressing into Boundary Scope governance.

Continuous machine execution does not eliminate the need for
governed Event Boundaries. ------------------------------
Canonical Boundary

EBIM governs the identification of the potential structural
perimeter of a Governed Formed Event and the establishment of a
traceable Candidate Event Boundary. It does not determine
detailed Event Boundary Scope, exclusions, separation between
finalized event structures, Boundary Revision, Event Timing,
Event Location, Event Participation, Event Relationships, Event
Determination, Tax Jurisdiction, legal taxability, or
jurisdiction-specific tax consequences.
------------------------------ Module Handoff

TREFS — Governed Formed Event

↓

EBIM — Candidate Event Boundary

↓

EBSCM — Event Boundary Scope Module
------------------------------

Canonical Closing Statement

The Event Boundary Identification Module establishes the first
governed representation of where a formed event may structurally
begin and end.

It prevents transaction identifiers, database structures,
commercial labels, workflows, platform representations,
autonomous objectives, and machine execution granularity from
becoming accidental Event Boundaries.

EBIM preserves ambiguity where necessary and produces a traceable
Candidate Event Boundary for subsequent Boundary Scope
governance.

EBIM identifies the candidate perimeter of the event — it does
not yet decide everything that belongs inside it.