I literally see no option anywhere to pay it

I shipped an item to a friend in Canada, and now ups is telling me import charges are due. When I purchased the label, there was zero information or warning about a $250 charge to duties (I paid $150 to ship it). Does anyone have relevant information to this issue?

I let the recipient know because I think there is something they can do at the CBSA office, but today I checked the tracking and it went from "import taxes are due" to now says "on the way cleared customs", so I'm not sure if they did something on their end?

Hello, first of all I'd like to say I very rarely use UPS and the only times I did, I had to pay the taxes and duties at the checkout of the website I was buying from, so I am really not acquainted with UPS. I've recently bought something from the USA (I live in the European union) and I expected to pay taxes, so today I did notice on the website that they mentioned I had to pay taxes/duties, but I can't find any way to pay for them online, even though they talk about a "Pay now" option. Is it normal ? I don't want my package to be sent back just cause I couldn't pay online. I hope this isn't a stupid question. Thank you in advance for your help.

UPS sent me a bill for brokerage charges after dropping off a package.

Their website is a total fucking mess and of no help whatsoever. It made me create some kind of corporate billing account (which I don't need), save credit card information, but then there's no way to add an invoice to it. I tried searching for invoices, but nothing comes up. It only seems to track things that I have shipped out or something.

I tried their tracking website to look up the package, but there is no payment option after I find the package.