Do I need to register for GST/HST if I sell only in Nepean?

If your worldwide taxable sales exceed the small-supplier threshold or you choose to register voluntarily, you must register for a GST/HST account with the CRA. See the CRA registration guidance.

Is a City of Ottawa business licence required?

Some retail activities require municipal licences or permits; confirm requirements with City of Ottawa licences and permits pages and apply as directed.

What records must I keep?

Maintain sales invoices, receipts, purchase records and GST/HST collected and remitted records in case of CRA review or municipal inspection.

Registering for Sales Tax Collection in Nepean

Taxation and Finance Ontario 4 Minutes Read · published May 24, 2026

· By Daniel Roy

Retailers operating in Nepean, Ontario must register to collect federal sales tax (GST/HST) and comply with municipal licensing and bylaw requirements. This guide explains when to register with the Canada Revenue Agency, what municipal offices to contact in the City of Ottawa for licences and complaints, and the practical steps to begin collecting and remitting tax. Follow the official registration routes and keep records to avoid enforcement action and penalties.

Overview

Most retailers that sell taxable goods or services in Nepean must register for a GST/HST account with the Canada Revenue Agency. The CRA administers GST/HST registration and reporting; municipal authorities in the City of Ottawa regulate local business licences and bylaw compliance. For federal registration, use the CRA registration page Register for a GST/HST account^[1]. For municipal licensing and complaint pathways, see City of Ottawa laws, licences and permits City of Ottawa - Laws, licences and permits^[2].

Requirements to Register

Thresholds: register if your worldwide taxable supplies exceed the small-supplier threshold or if you choose to register voluntarily.
Business number: obtain a Business Number (BN) and a GST/HST account from the CRA.
Contact: use CRA online services, phone or an authorized representative to register.

Penalties & Enforcement

Enforcement falls into two streams: federal tax compliance overseen by the Canada Revenue Agency and municipal compliance (licences, zoning, bylaw) overseen by City of Ottawa regulatory services. Specific penalty amounts and escalation measures for failing to register or remit may be set by federal tax law and municipal bylaws; when exact amounts or escalation steps are not shown on the cited municipal page, this is noted below.

Federal penalties: amounts and formulas for GST/HST penalties and interest are administered by the CRA; specific figure details are not specified on the cited CRA registration page ^[1].
Municipal fines: the City of Ottawa may issue fines, orders or tickets for operating without required licences; specific municipal fine amounts are not specified on the cited city page ^[2].
Escalation: first offences, repeat offences and continuing contraventions may trigger higher fines or orders; ranges are not specified on the cited pages.
Non-monetary sanctions: enforcement can include orders to comply, licence suspension or prosecution in court as applicable under governing statutes and bylaws.
Enforcer and complaints: City of Ottawa By-law and Regulatory Services handles municipal complaints; use the City of Ottawa laws, licences and permits contact page to file complaints or request inspections City of Ottawa - Laws, licences and permits^[2].
Appeals and review: appeal or review routes for federal GST/HST decisions are handled through CRA objection and appeals procedures; municipal appeal routes depend on the bylaw and are not specified on the cited city page ^[1]^[2].

Operating without required registration or licences can lead to orders, fines or prosecution.

Applications & Forms

CRA registration: use the CRA "Register for a GST/HST account" page to register online or learn how to apply by phone/mail; there is typically no fee to register as shown on CRA guidance Register for a GST/HST account^[1].
Municipal licences: check City of Ottawa business licence pages for licences relevant to retail activities; specific municipal form names or numbers are not specified on the cited city page ^[2].

Action Steps

Register for a GST/HST account with the CRA before or when you begin taxable sales Register for a GST/HST account^[1].
Confirm municipal licensing requirements with the City of Ottawa and apply for any required business licence via the city's business licences and permits pages.
Keep organized sales and input tax records to support remittances and potential audits.
If you receive a notice or ticket, follow the appeal instructions on the notice and contact the issuing office promptly.

FAQ

Do I need to register for GST/HST if I sell only in Nepean?: If your worldwide taxable sales exceed the small-supplier threshold or you choose to register voluntarily, you must register for a GST/HST account with the CRA. See the CRA registration guidance for details and thresholds Register for a GST/HST account^[1].
Is a City of Ottawa business licence required?: Some retail activities require municipal licences or permits; confirm requirements with City of Ottawa licences and permits pages and apply as directed. Specific licence requirements depend on the nature of your retail operations and location within the city.
What records must I keep?: Maintain sales invoices, receipts, purchase records and GST/HST collected and remitted records in case of CRA review or municipal inspection.

How-To

Determine whether your sales meet the CRA registration threshold by consulting CRA guidance.
Register for a Business Number and GST/HST account via the CRA online services or by phone Register for a GST/HST account^[1].
Check City of Ottawa licence requirements for your retail category and apply for any necessary municipal licences.
Set up invoicing and recordkeeping to collect GST/HST separately and retain supporting documents.
Remit collected GST/HST to the CRA according to your assigned reporting period.

Key Takeaways

Register with the CRA for GST/HST before or when taxable sales begin.
Confirm and obtain any City of Ottawa business licences for retail operations in Nepean.
Keep accurate records and follow reporting and remittance schedules to avoid enforcement.