Please read this post even if you have signed up before!

After reading this post, please look at the tag set to see what fandoms are available this year, and make a shortlist of what you plan to offer and request. (The same fandoms can be on both lists, if you want.)

Then sign up at the collection. We recommend you allow at least half an hour to sign up. While you can edit your sign-up over the next week, you will not be able to make any changes after sign-ups close at 9pm UTC 24 October.

If you would like to avoid matching to up to three other participants, with limitations discussed here, you may do so by filling out a Google Form from a link within the AO3 form. If you want to use this feature but cannot use Google Forms, please email the mods. Do Not Match requests will close at the same time as signups.

Requests

• You can request 3-8 fandoms


• Each fandom must be different


• You can request 0*-4 characters in each fandom


• *Requesting 0 characters means "I am happy to receive any nominated character for this fandom. My author gets to choose which one(s)". That includes Worldbuilding for fandoms where Worldbuilding is nominated as a character tag. If no characters are nominated for the fandom, requesting 0 characters means “I am happy to receive any character or worldbuilding for this fandom.”


• "AND" matching means your writer must include every character you select. If you are happy with a subset of your selected characters, indicate this with Additional Tags, and clarify any exceptions in your optional details.


• You can only request characters from the tag set, though your optional prompts may mention other characters to appear too.


• In some fandoms, you can request Worldbuilding as a character. You can find guidance on that here.

AND matching and additional tags
Generally, when you select characters in your sign-up form, it means you want and expect your gift to include all of those characters. This is a key principle for matching and assignments. However, some people like to give their author further options. We are using the Additional Tags section of the form for this.

If you requested 0 characters, or you want all the characters you selected to appear, you will tick the first Additional Tag option, which says "My gift must feature all of my chosen character tags (if 0: any from tag set)". If you think your situation might be different, please read last year’s post about additional tags and select additional tags that are right for your requests. This information is also in the sign-up form.


Optional Details and Do Not Wants (DNWs)
"Optional details" = prompts, ideas, likes, explanations of how you see the canon. Optional details and DNWs can be recorded in the main text section of your requests.

Optional details are optional (ODAO)! Your writer doesn't have to follow your prompts, though they must avoid your DNWs. You don't have to give prompts here, either - though prompts and ideas may be a more inspiring first impression than a list of DNWs on its own. Prompts may be particularly useful if you are requesting a Worldbuilding tag.

See this 2020 post for some considerations when writing your DNWs. Last year, we also clarified our rules and guidance about DNWs.

The Optional Details section of your AO3 requests is especially relevant if you have selected option two of the additional tags, "My gift must feature all of my chosen character tags; or it may use exceptions I explain in the form". In that case, please use this section of the form for explaining how and when your writer is allowed to leave out some of the characters you selected.

Please use minimal html in the optional details field. No images, please.

Please also note in the form if you're able to receive treats - or if you don't want them! Yuletide has a long-established culture of extra gifts, but if you created your account recently, you may have extra gifts turned off by default. Please check your AO3 preferences, and then state in your sign-up form whether you do or do not accept treats.


Letters
You can write prompts and preferences in another space, such as Dreamwidth, Livejournal, Google Docs, or Tumblr, and put a link in your sign-up. This is known as a "letter". Some people write letters; some don't. DNWs and character subsets that are listed in a letter but not in the Optional Details AO3 textbox cause confusion and difficulty for creators, and will not be enforced by the mods. Otherwise, your letter is an extension of your optional details and is treated the same way.

Important: You cannot add a letter after sign-ups close.

Offers

• You can offer 4-10 fandoms


• Each fandom must be different


• You can offer 2-20 specific characters in each


• If you want to offer a fandom that has 0-1 characters available, tick the "Any" box


• If you are willing to write any combination of nominated characters, including Worldbuilding for fandoms where it is nominated, tick the "Any" box


• "Worldbuilding" can also be selected as a character for many fandoms. Please check here to see how we're using it.


• Offers are secret! Please don't declare openly what you're offering.

If you have several fandoms in which you want to offer to write Any nominated characters, you can make your last offer a "Bucket Offer". You can read about bucket offers in the Sign-ups section of the AO3 FAQ. This older tutorial has pictures!

Signing up!

The sign-up form is here.

• Signups will remain open - and editable - until 9pm UTC 24 October.


• You may only sign up to Yuletide with one AO3 account. You must be aged 18 or over to sign up.


• You can find more sign-up information at the Yuletide 2025 FAQ


• There is also specific guidance about how to use Additional Tags

Please check the tag set or the app when signing up. The autocomplete drop-down list in the sign-up form may not show all available characters. If they're in the tag set, you can enter them manually.

Sign-Up Summary

The list of requested/offered fandoms will be available after five people have signed up. Bucket offers do not show up in the list. Checking the sign-up summary for people you may be able to write for is a good idea - although many people sign up at the last minute. The sign-up summary says it updates hourly; in practice it may update less frequently.

Fandoms at 1-1 on the sign-up summary may mean that the same person is offering and requesting the fandom, not that there is a match.

Welcome to Yuletide!

Feel free to ask us questions.

Bonus! Yuletide advertisements

Thank you to crantz (who also made images for us to share in 2019 and in 2020). Please use these to encourage friends and other fans to take part!



To repost this image, copy this html:
<a href="https://archiveofourown.org/collections/yuletide2025/profile"><img src="https://www.yuletide.fandom.exchange/images/yuletidegraphic1.jpg" alt="Yuletide exchange promotional image using mountain forest scenery. Text says Write off the beaten path - Yuletide Rare Fandoms Exchange."></a>

---

To repost this image, copy this html:
<a href="https://archiveofourown.org/collections/yuletide2025/profile"><img src="https://www.yuletide.fandom.exchange/images/yuletidegraphic2.jpg" alt="Yuletide exchange promotional image using an image of an 1887 ice palace. Text says Travel the Worlds of Imagination - Yuletide Rare Fandoms Exchange."></a>

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