# The rules that decide whether you get paid. 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Deadlines, forms and fine print for Ontario trades, written by someone who spent 18 years as a Millwright watching paperwork bury good tradespeople. The cost isn’t just money. It’s the time you never get back. ![Blue Crane Works](https://bluecraneworks.ca/brand-logo.webp) **Written by Trevor Stuckless, Millwright and founder of Blue Crane Works. Eighteen years in plants, factories, renovations and maintenance in Hamilton, Ontario. Every article here cites the regulation it refers to, so you can check it yourself instead of taking my word for it. More about Blue Crane Why these articles exist:** I’m not a marketer. I’m a Millwright who built a tool because I couldn’t find one that worked. Everything here is written from the job site, not a boardroom. If it saves you one argument, one missed deadline, or one late night digging through old receipts, it’s worth it. Latest [Seasonal Compliance May 22, 2026 7 min read ## Humidex 35+ Warning: Is Your Ontario Construction Site Legally Prepared for Summer Heat Stress Audits? Hot weather plans, humidex triggers, work-rest cycles, acclimatization logs, and worker refusal response steps are all seasonal pressure points for Ontario sites right now. Here’s what the law actually requires and how to stay ahead of it. ![Trevor](https://bluecraneworks.ca/trevor-blog.webp) Trevor · Millwright & Founder, Blue Crane Works | Read article](https://bluecraneworks.ca/articles/ontario-construction-heat-stress-policy-hot-weather-plan.html) More Reads [All resources Getting Found Read article ### What Is AI Visibility, and Why Do Local Leads Arrive This Way Now? The shift from ten blue links to one answer, with Pew's numbers and the rules Google, Microsoft and OpenAI publish, and what a local business can actually do about it.](https://bluecraneworks.ca/resources.html) [Getting Found Read article ### What Does a Business Website Cost in Hamilton in 2026? A straight answer with our own numbers, how the two other ways of getting a site are priced, and the cost that never appears on the quote.](https://bluecraneworks.ca/articles/what-does-a-website-cost-in-hamilton.html) [Getting Found Read article ### Does My Google Business Profile Matter for AI Answers? Yes, more than the website for local questions. Google's three local factors in its own words, the rules that get listings suspended, and why Bing Places feeds ChatGPT.](https://bluecraneworks.ca/articles/does-my-google-business-profile-matter-for-ai-answers.html) [Getting Found Read article ### llms.txt and Markdown for Agents, in Plain Language What the two files people are told to add for AI actually do, which assistants use them, and the honest limit: cheaper to read, not higher in the results.](https://bluecraneworks.ca/articles/llms-txt-and-markdown-for-agents-explained.html) [Getting Found Read article ### Can ChatGPT See My Website? A Five-Minute Check Anyone Can Run The crawler names OpenAI, Anthropic, Perplexity, Google and Microsoft publish, and how to fetch your own site the way each one does, so you know before an assistant decides.](https://bluecraneworks.ca/articles/can-chatgpt-see-my-website.html) [Getting Found Read article ### The Two Settings That Quietly Remove a Website From Copilot and Google’s AI Answers noarchive and nosnippet delete a page from AI citations while every ranking report stays green. What Bing and Google say in their own words, and the two-minute check.](https://bluecraneworks.ca/articles/noarchive-nosnippet-remove-your-site-from-ai-answers.html) [Getting Found Read article ### Why Your Website Needs Bing to Appear in ChatGPT ChatGPT search draws on Bing’s index. Bing Webmaster Tools, the AI Performance report, and how IndexNow gets a changed page there in minutes instead of weeks.](https://bluecraneworks.ca/articles/why-your-website-needs-bing-to-show-up-in-chatgpt.html) [Getting Paid Read article *### The Form 1.2 Deadline Trap: How Missing the 21-Day Window Can Bankrupt an Ontario Contractor Serving a notice of non-payment pauses subcontractor payments, but locks you onto a strict statutory clock. Miss the 21-day window by even an hour, and you face absolute corporate liability. Site Compliance Read article ### When Is an Ontario Notice of Project (NOP) Mandated by Law? The $50,000 Threshold Trap Failing to file a Notice of Project before hammering the first nail triggers immediate field fines. If your project labor and materials cross $50,000, filing is completely mandatory. Site Compliance Read article ### Ontario Form 1000: the registration every constructor and employer has to keep on site No dollar threshold, no exceptions: if you are a constructor or an employer on the job, you complete it before work starts and keep a signed copy at the project. Not the same thing as a Notice of Project. Getting Paid Read article ### Step-by-Step Guide: How to Properly Publish an Ontario Form 9 (CSP) Without Losing Your Cash Leverage Signing a Certificate of Substantial Performance is only half the battle. If you don't publish Form 9 correctly, your 60-day holdback release clock won't start. Site Compliance Read article ### Understanding O. Reg. 482/24: The 6-Month Sanitation Log Trap Hidden in Your Site Trailers Think a dirty site toilet is just something workers grumble about? Think again. Ontario’s strict washroom sanitation laws turn historical site cleaning records into an immediate, enforceable target for Ministry inspectors. Safety & Toolbox Read article ### Humidex 35+ Warning: Is Your Ontario Construction Site Legally Prepared for Summer Heat Stress Audits? A practical Ontario guide to heat stress triggers, ACGIH-aligned controls, work-rest cycles, water access, acclimatization, and audit-ready hot weather plan records. Site Compliance Read article ### Red Flags on Site: What Ministry of Labour Inspectors Are Targeting This Year What Ontario inspectors are checking right now under O. Reg. 213/91, including AED requirements, washroom sanitation logs, and real-time Working at Heights proof. Getting Paid Read article ### Is Your Invoice a Proper Invoice? Ontario Prompt Payment Rules That Protect Cash Flow The Ontario Construction Act only starts the payment clock when your invoice is legally complete. Here is what belongs on the page and what ODACC can do if payment still stalls. Running the Business Read article ### Cracking the Pre-Qualification Gate: Ontario Subcontractors, EllisDon, PCL & Major Builders How to navigate COR® 2020, ISNetworld, Avetta, and ComplyWorks compliance requirements before you can even talk pricing with Ontario’s top ICI builders. Running the Business Read article ### Why Trades and Contractors Need Blue Crane The straight version of what Blue Crane actually does: scan, store, organize, and pull records fast when your accountant, customer, or inspector asks for proof. Running the Business Read article ### The Folder in the Truck Is Costing You It takes one wet day, one break-in, or one client dispute to find out the hard way. What the switch to digital actually looks like for a one- or two-person crew. Hamilton & Ontario Resources ## Ontario Contractor Statutory & Registry Hub Direct access to official provincial documentation registers, health safety portals, and dispute resolution bodies to protect your crew and cash flow.* #### WSIB Clearance Certificates Verify e-clearances, update crew standing profiles, and manage premium compliance accounts instantly. Go to WSIB Registry](https://bluecraneworks.ca/form-1-2-deadline-trap.html) [#### ODACC Adjudication Registry File proper invoice disputes, assign adjudicators, and trigger payment fast under prompt payment rules. Go to ODACC Portal](https://odacc.ca/en/) [#### Ministry of Labour (MLITSD) File online NOPs, audit O. Reg. 213/91 amendments, and access workplace safety directives. Go to MLITSD site](https://www.ontario.ca/page/ministry-labour-immigration-training-skills-development) [#### Hamilton Building Permits Apply for structural/ICI building permits, submit engineering profiles, and schedule inspections. Go to Hamilton Permit Office](https://www.hamilton.ca/build-invest-grow/construction-development/building-permits) Blue Crane ## Stop running your business out of a truck folder. Try the demo free for 30 days. No credit card, no salesperson. [Try the demo](https://app.bluecraneworks.ca/?intent=trial) Blue Crane ## Let's Talk About Your Setup 30 minutes. No pitch. Just a straight conversation about what you need. --- Source: https://bluecraneworks.ca/articles