Ontario · Condominium Act, 1998
Ontario runs a two-notice system: a Preliminary Notice first, then the Notice of Meeting itself — each with its own minimum lead time. Pick how the meeting is coming about and get the send-by dates.
Send Preliminary Notice no later than
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✓ Verified August 27, 2026 · Condominium Act, 1998, ss. 45.1, 47
Sources checked automatically every Monday. Last check October 5, 2026, no change found. See the record
Meeting must be held no later than
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if the board proceeds itself — s. 46(4)(b)
✓ Verified August 27, 2026 · Condominium Act, 1998, ss. 46, 47
Sources checked automatically every Monday. Last check October 5, 2026, no change found. See the record
That 5-day figure is CAO's recommended practice, not a Condominium Act deadline — the Act sets no separate day count for sending the Preliminary Notice, only the 35-day outer limit for the whole process. And the numbers are worth a second look together: 5 days plus the mandatory 15-day and 20-day notice periods that follow it add up to 40 days — five more than the 35-day meeting deadline the Act actually sets. Sending the Preliminary Notice sooner than CAO's 5-day mark leaves more room to still meet the statutory 15/20-day minimums inside the 35-day cap.
If the board doesn't call and hold the meeting within the 35 days, a requisitionist may call it instead — that meeting "shall be held within 45 days of the day on which the meeting is called." s. 46(5)
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Before the board can send a Notice of Meeting, section 45.1 of the Condominium Act, 1998 requires it to first send owners a Preliminary Notice. Section 47(1) sets the minimum lead time for each:
"(b) be given at least 15 days before the day of the meeting, if the notice is a notice of meeting of owners; (c) if the notice is a preliminary notice described in subsection 45.1 (1), be given at least 20 days before the subsequent notice of meeting of owners described in that subsection…"
Stack the two and a board-called meeting — an AGM under s. 45(2), a meeting called for any other business under s. 45(4), or a turn-over meeting — needs the Preliminary Notice out at least 35 days before the meeting date. Neither day count differs by meeting type; s. 47(1) applies the same 15 and 20 days across the board.
Section 46 lets owners holding at least 15% of the units requisition a meeting. Once the board receives it, section 46(4)(b) requires the board to "call and hold a meeting of owners within 35 days." If the board doesn't, section 46(5) lets a requisitionist call the meeting themselves, and it "shall be held within 45 days of the day on which the meeting is called."
The 15-day and 20-day notice minimums in s. 47(1) still apply to a requisitioned meeting — nothing in the Act carves it out. We looked for a stated deadline for sending the Preliminary Notice itself — a specific number of days after the requisition arrives — in both the Act and O. Reg. 48/01, and found none. The Condominium Authority of Ontario recommends sending it within 5 days of receiving the requisition, but that's CAO's own guidance to boards, not a section of the Act — it appears on CAO's site without a citation, unlike the 15-day and 35-day figures next to it, which do trace to ss. 47(1)(b) and 46(4)(b).
Do the math on CAO's own number, though, and it's tighter than it looks: 5 days to send the Preliminary Notice, plus the mandatory 20-day gap before the Notice of Meeting, plus the mandatory 15-day gap before the meeting itself, comes to 40 days — five more than the 35-day cap the Act sets in s. 46(4)(b). Following CAO's 5-day guidance to the letter and then the statutory minimums to the letter can't both fit inside 35 days. A board that wants to actually hit the 35-day deadline has less runway than CAO's recommended practice implies.
We checked. The only by-law power over notice we found in s. 47 is in subsection (6) — a by-law can restrict giving notice by electronic communication, or set extra conditions for it. Nothing in ss. 45.1, 46 or 47 lets a by-law shorten or lengthen the 15-day, 20-day, 35-day or 45-day counts themselves. That's different from quorum, where a registered by-law can hold quorum at 25% throughout (s. 50(1.2)) — there's no equivalent override here.