# How to manage delegate travel for a conference or event Source: https://www.roamlytravel.com/guides/conference-delegate-travel Publisher: Roamly Travel Last reviewed: 2026-10-30 Audience: Event organisers, Corporate groups, Universities ## Short answer Managing delegate travel means turning registration data into confirmed rooms, flights and transfers, while collecting only the personal data you need. Contract a hotel room block with an attrition allowance and cut-off date you can realistically meet, send accurate rooming lists, and build arrival and departure manifests that drive staggered airport transfers. Plan early for speakers, accessibility needs and international delegates who need visa invitation letters, and reconcile every booking against invoices after the event. ## Key takeaways - A room block is a set of rooms a hotel holds for your event. The cut-off date is when unclaimed rooms are released, and the attrition clause sets how far you can fall short of the block without paying for unused rooms. - Under UK GDPR, personal data must be adequate, relevant and limited to what is necessary, so registration forms should only ask for the travel details you will actually use. - The ICO treats dietary and access information collected for its own events as special category data, which needs both a lawful basis and a separate condition for processing. - Arrival and departure manifests, built from confirmed flight details, let you group transfers by time instead of meeting every delegate individually. - The UK Immigration Rules allow visitors to attend conferences, and the EU Visa Code lists an invitation to a conference as a possible supporting document for a Schengen visa. - UK airports and airlines must provide free assistance to disabled passengers and those with reduced mobility. The CAA advises requesting it at least 48 hours before the flight. ## How do hotel room blocks, attrition and cut-off dates work? Most conferences contract a **room block** with one or more hotels, so delegates can book at an agreed rate. The contract defines how many rooms the hotel holds each night and what happens if your delegates do not use them. Terms vary between hotels and are negotiable, so read each clause before signing. - **Room block**: The number of rooms per night a hotel agrees to hold for your event, usually at a group rate. The night-by-night pattern is often called the pickup pattern or room grid. - **Cut-off date**: The date by which delegates must book within the block. After it, the hotel can release unbooked rooms for general sale, and any later bookings are subject to availability and often at the hotel's current rate. - **Attrition**: The shortfall between the rooms you contracted and the rooms actually used. An attrition clause sets an allowance, often a percentage of the block, and requires you to pay for unused rooms beyond that allowance. - **Pickup**: The number of rooms actually booked against the block, usually tracked weekly up to the cut-off date. - **Rooming list**: The list of named guests, room types and dates that the organiser sends the hotel when it books rooms centrally rather than delegates booking individually. Before signing, check how attrition is measured (per night or across the whole stay), whether rooms the hotel resells count in your favour, whether you can reduce the block without penalty before a review date, and how cancellation charges differ from attrition charges. Base the block size on past attendance and current registration numbers rather than a hopeful target. Our [group travel budget guide](https://www.roamlytravel.com/guides/group-travel-budget) covers how to hold contingency for these costs. ## What goes on a rooming list and when is it due? If you book rooms centrally, the hotel needs a rooming list before the cut-off date set in the contract. A clear rooming list usually includes: - Guest name exactly as it will appear on their ID, and sharer names for twin or double rooms. - Arrival and departure dates. - Room type and any agreed upgrades, such as suites for speakers. - Billing instructions: what the organiser pays (room, breakfast, taxes) and what the guest pays on their own account. - Requests the hotel needs to act on, such as an accessible room or an early arrival. Send changes as a new dated version rather than a list of edits, and ask the hotel to confirm each version in writing. Keep one central list that matches your registration system so you can check it against the hotel's records later. ## How should registration data flow into travel bookings without breaching GDPR? Delegate travel depends on personal data moving from the registration system to hotels, airlines, transfer companies and sometimes visa authorities. UK GDPR requires that personal data is **adequate, relevant and limited to what is necessary** for its purpose. The ICO's guidance on data minimisation says you should be clear about why you need data before collecting it, avoid collecting it speculatively, and only ask for person-specific information from the people it applies to. - Ask for passport details only from delegates whose bookings need them, such as international flights or visa letters, and only when you need them. - Ask for flight details only from delegates who will use your transfers. - Share with each supplier only the fields that supplier needs. A transfer company needs names, flight numbers and times, not dietary or passport information. - Set a retention period and delete travel data once the event and reconciliation are complete. - Tell delegates in your privacy notice which suppliers will receive their data and why. > **Dietary and accessibility information** > Health information is special category data under UK GDPR, and dietary requirements can reveal health conditions or religious belief. The ICO's own privacy notice for its events treats dietary and access information as special category data, asks for it only after places are allocated and does not share it with venues in an identifiable form. Processing special category data needs a lawful basis and a separate condition under Article 9, so take advice from your data protection lead. ## How do you manage arrivals, departures and airport transfers? Delegates rarely arrive together. An **arrival manifest** lists each delegate's flight, arrival airport, scheduled arrival time and transfer arrangement. A **departure manifest** does the same for the return. Build both from confirmed flight details, not from what delegates expect to book, and set a deadline for delegates to submit them. 1. Sort arrivals by airport and time, then group them into transfer waves, for example one vehicle per arrival window rather than one per delegate. 2. Choose wave times that balance waiting time at the airport against the number of vehicles. Long gaps between waves leave delegates waiting, short gaps cost more. 3. Brief a meet-and-greet contact at the airport with the manifest, a sign and a phone number delegates can call. 4. Track flights on the day and move delegates between waves when flights are delayed. 5. For departures, work back from each flight time, allowing for check-in deadlines, traffic and the end of the final session. Expect peaks before the opening session and immediately after the closing session. If many delegates leave at the same time, consider shuttle runs at fixed intervals instead of individual bookings. Our free [trip timeline builder](https://www.roamlytravel.com/trip-timeline-builder) helps you lay out arrival and departure windows. ## How should speaker and VIP travel be handled? Speakers and VIPs need a separate, more personal process because a missed flight affects the programme, not just one delegate. - Agree in the speaker invitation what travel you will provide: class of travel, number of nights, transfers and whether partners are included. - Book speaker travel early, with fare rules that allow changes, and arrive at least the day before their session where possible. - Assign one named contact for each speaker or VIP, with their mobile number and the speaker's flight details. - Have a backup plan for the session, such as a recorded talk, a remote link or a substitute speaker, if travel fails. - Check whether any speaker needs a visa or authorisation for their role. A speaker may be treated differently from a delegate in some countries' rules. In the UK, the visitor rules (Appendix Visitor: Permitted Activities, PA 4) allow visitors to attend conferences and to give a one-off or short series of talks, provided these are not organised as commercial events and are not designed to make a profit for the organiser. Paid speaking engagements can fall under different rules, so check gov.uk for each case. ## How do you plan delegate travel for accessibility? Ask every delegate, at registration, whether they need any adjustments to take part, and use the answer to plan travel as well as the venue. Keep the question open rather than listing conditions, and handle the answers as special category data. - **Air travel:** the UK CAA says airports and airlines must provide free assistance to disabled passengers and those with reduced mobility, and advises requesting it when booking or at least 48 hours before the flight. Rules and service levels outside the UK and EU vary. - **Transfers:** book wheelchair-accessible vehicles where needed and confirm ramp or lift access and space for mobility aids. - **Hotels:** reserve accessible rooms early, as hotels have a limited number, and confirm features such as roll-in showers, hearing loops or visual alarms in writing. - **Routes:** check step-free routes between the hotel, venue and any social events, and the travel time for delegates who move more slowly. ## How do visa invitation letters work for international delegates? Delegates from some countries need a visa to attend, and many will ask the organiser for an **invitation letter** to support their application. Whether a letter is required, and what it must say, depends on the destination country and the delegate's nationality. - **UK events:** the UK Immigration Rules allow visitors to attend meetings, conferences and seminars. Delegates who need a visa can usually apply up to 3 months before travel, and gov.uk says decisions usually take about 3 weeks. Most delegates who do not need a visa need an electronic travel authorisation (ETA), which costs £20. British and Irish citizens do not need an ETA. - **Schengen area events:** the EU Visa Code lists an invitation from a firm or authority to attend meetings, conferences or events connected with trade, industry or work among the supporting documents for a business visa. The exact list depends on the consulate. A useful invitation letter is on the organiser's letterhead and states the delegate's full name as in their passport, passport number if requested, the event name, dates and venue, the delegate's role (attendee or speaker), who is paying for travel and accommodation, and a contact who can verify the letter. An invitation letter does not guarantee a visa. Set a deadline for letter requests that leaves enough time for appointments and processing, and verify that each requester is registered. Our [passport and visa checklist](https://www.roamlytravel.com/guides/passport-visa-checklist-group-travel) and guide to [EES and ETIAS](https://www.roamlytravel.com/guides/ees-etias-uk-groups) cover entry requirements in more detail. ## How can delegate travel be made more sustainable? For most conferences with international attendance, delegate travel is likely to be a large share of the event's carbon footprint, but the actual figure depends on where delegates travel from and how. Measure before making claims. - Collect travel mode and origin at registration if you plan to report emissions, and calculate them with a recognised method such as the UK government's greenhouse gas conversion factors, published annually by the Department for Energy Security and Net Zero. - Choose venues and hotels that delegates can reach by public transport, and put rail options and journey times on the event website. - Use shared transfers in waves rather than individual cars. - Offer remote participation for delegates for whom travel is not essential. - Be careful with language. Describe what you did and measured, and avoid calling an event carbon neutral or sustainable without evidence to support the claim. ## What does post-event reconciliation involve? Reconciliation checks that you paid for what was used, and nothing else. Start as soon as the event ends, while suppliers and records are fresh. 1. Compare the hotel's final night-by-night pickup with your rooming list and the contracted block, and check any attrition charge against the clause. 2. Check that guests' personal charges went to their own accounts, not the master account. 3. Match transfer invoices against the manifests, including cancelled or added vehicles. 4. Reconcile flight invoices, name changes and unused tickets, and claim any refundable taxes on unused tickets where the fare rules allow. 5. Record lessons for the next event: actual pickup against forecast, no-show rates and late changes. 6. Delete or anonymise travel data that you no longer need, in line with your retention policy. ## How Roamly can help Roamly supports organisers with [event management](https://www.roamlytravel.com/services/event-management) and [group flights](https://www.roamlytravel.com/services/group-flights) for conferences, including room blocks, rooming lists, manifests and transfers. Our free [group travel calculator](https://www.roamlytravel.com/group-travel-calculator) and [travel document checklist](https://www.roamlytravel.com/travel-document-checklist) help with early planning. [Contact us](https://www.roamlytravel.com/contact) with your event dates, location and expected attendance. ## Frequently asked questions ### What is an attrition clause in a hotel contract? An attrition clause sets how far your group can fall short of the contracted room block without penalty. If actual room nights fall below the agreed allowance, you pay for some or all of the unused rooms, as set out in the contract. ### What is the difference between a cut-off date and attrition? The cut-off date is when the hotel can release unbooked rooms in your block for general sale. Attrition is the shortfall between the rooms you contracted and the rooms actually used, and the attrition clause sets what you pay for it. ### What personal data should I collect from delegates for travel? Only what you need for the bookings you are making. UK GDPR requires data to be adequate, relevant and limited to what is necessary, so ask for passport or flight details only from delegates whose travel you are arranging, and share with each supplier only the fields they need. ### Do international delegates need an invitation letter? It depends on the destination and the delegate's nationality. Many visa applicants include an invitation from the organiser as supporting evidence, and the EU Visa Code lists conference invitations among possible supporting documents. A letter supports an application but does not guarantee a visa. ### Do delegates need an ETA to attend a conference in the UK? Most visitors who do not need a UK visa need an electronic travel authorisation (ETA), which costs £20 according to gov.uk. British and Irish citizens do not need one, and visitors who need a visa apply for that instead. ### How do I organise airport transfers for staggered arrivals? Collect confirmed flight details by a deadline, build an arrival manifest sorted by airport and time, and group delegates into transfer waves. Track flights on the day and move delegates between waves if flights are delayed. ### How far in advance should disabled delegates request airport assistance? The UK CAA advises requesting assistance when booking, or at least 48 hours before the flight, through the airline, travel agent or tour operator. In the UK the assistance is free of charge. ## Sources - [ICO: Principle (c), data minimisation](https://ico.org.uk/for-organisations/uk-gdpr-guidance-and-resources/data-protection-principles/a-guide-to-the-data-protection-principles/data-minimisation/) - [ICO: What is special category data?](https://ico.org.uk/for-organisations/uk-gdpr-guidance-and-resources/lawful-basis/special-category-data/what-is-special-category-data/) - [ICO: Privacy notice, attend an event, seminar or workshop](https://ico.org.uk/global/privacy-notice/attend-an-event-seminar-or-workshop/) - [GOV.UK: Immigration Rules Appendix Visitor, permitted activities](https://www.gov.uk/guidance/immigration-rules/immigration-rules-appendix-visitor-permitted-activities) - [GOV.UK: Apply for a Standard Visitor visa](https://www.gov.uk/standard-visitor/apply-standard-visitor-visa) - [GOV.UK: Electronic travel authorisation (ETA)](https://www.gov.uk/guidance/electronic-travel-authorisation-eta) - [EUR-Lex: Regulation (EC) No 810/2009, the EU Visa Code](https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX%3A32009R0810) - [UK Civil Aviation Authority: How to access help and support](https://www.caa.co.uk/air-passengers/assisted-travel/how-to-access-help-and-support/) - [GOV.UK: Greenhouse gas reporting conversion factors 2026](https://www.gov.uk/government/publications/greenhouse-gas-reporting-conversion-factors-2026)