At a glance
The practical readiness test
- Identify why play has stopped: an ordinary end of rally, a permitted interval, an official decision, court maintenance, injury, or another event outside the players' control.
- Check whether the next server is in position and ready. Once that is true, the receiver must not unduly delay becoming ready.
- Ask whether the player is completing a quick permitted task or trying to create recovery, coaching, or tactical time.
- If a BWF Time Clock is operating, both sides must be in position and ready before its 25 seconds expire unless the umpire stops the clock.
- Follow the umpire's direction. The Laws make the umpire the sole judge of delay.
- A continued or serious breach can progress from a reminder to a misconduct warning, a misconduct fault, and possible referral to the Referee.
Core rule
Play is continuous unless a rule permits the stoppage
BWF Law 16.1 requires continuous play from the first service until the match ends, subject to the intervals and suspensions in Laws 16.2 and 16.3 and a specific additional Wheelchair Badminton provision in Law 16.5.3. The end of a rally therefore creates the short practical pause needed to record the score and prepare the next service, not a general timeout.
Law 16.4.1 removes three common justifications for extending that pause: play must not be delayed to let a player recover strength, recover wind, or receive advice. Law 16.4.2 makes the umpire the sole judge of whether delay has occurred.
Service readiness
Readiness protects the receiver but cannot be used to stall
The server may not serve before the receiver is ready under Law 9.4. If the server does so, Law 14.2.1 makes the rally a let; if the receiver attempts to return the service, the receiver is treated as having been ready. This protects a genuinely unready receiver from a quick serve.
The protection is not open-ended. BWF Instruction 5.10.3 says that once the server is in position and ready, the receiver must not unduly delay getting ready for the next service. Separately, Law 9.1.1 says neither side may unduly delay delivery once server and receiver are ready. A receiver cannot repeatedly step away merely to break rhythm, and a ready server cannot rush a receiver who is completing a prompt, legitimate preparation.
For a fuller explanation of an early service and attempted return, see receiver-not-ready and service-let rules.
Start of service
Delay can also occur after both sides are ready
Readiness is followed by a defined service sequence. Under Law 9.2, the first forward movement of the server's racket head is the start of service. Law 9.1.2 adds that once the server has completed the backward movement of the racket head, any delay in starting the service is undue delay.
This is different from taking too long between rallies. A player may be in position yet still breach the service law by pausing at the prohibited point in the action. The relevant first question is therefore whether the problem occurred before both sides were ready or during the service motion itself.
No Time Clock
A quick towel or drink is discretionary
For a match without the BWF Time Clock, Instruction 5.10.4 says the umpire may allow a quick towel, a towel and drink, or a self-applied spray between rallies if play is not unduly held up and the receiver-readiness requirement is respected. The wording is permissive: these actions may be allowed at the umpire's discretion.
That does not create a fixed number of seconds or a right to visit a courtside bag after every rally. Context matters. A prompt towel while both sides reset may be acceptable; a long walk to the back of the court when the opponent is ready may be stopped. The player must respond when the umpire requires play to resume.
BWF Time Clock
The 25-second procedure applies only when the tool is in use
Under BWF Instructions 5.10.5 and 5.10.8, a match using the Time Clock gives players until the clock expires to complete appropriate courtside actions and be in position and ready. Examples include towelling, drinking, applying a self-applied cold spray or ice, adjusting taping or strapping, and cutting strings.
The clock starts when the umpire enters the previous rally's score on the scoring device and expires after 25 seconds. It is a readiness deadline, not 25 seconds of guaranteed rest: if the server is ready sooner, the receiving side must still comply with the rule against undue delay.
The umpire may stop the Time Clock when necessary, including for an extended court wipe, a dispute, or an injury. A stopped clock is official management of a situation, not time that a player has earned. Tournaments without the tool remain governed by the umpire's discretion rather than an implied 25-second allowance.
Court wiping
A genuine safety need is managed promptly
Players may point out where the court needs mopping, but the umpire and court attendants control the process. Without the Time Clock, Instruction 5.10.6 requires players to be back on court as soon as wiping is finished and before the attendants leave. With the clock, players must be back before it expires when wiping has finished and the clock is running.
A wet or unsafe court is not treated in the same way as a request for recovery time. If the court or its immediate surroundings need repair or are temporarily unplayable, Instruction 5.11 directs the umpire to call the Referee and suspend play until the area is suitable. The score remains and play resumes from that point under Law 16.3.
Rackets and shuttles
Necessary equipment actions must not become delay
The umpire decides whether a shuttle should be changed, and the change must be fair under Instruction 5.13. In a Time Clock match, a between-rally change should be completed before the clock expires; players may be reminded to request it as soon as a rally ends. Deliberately modifying or damaging a shuttle to change its speed or flight is misconduct under Law 16.6.2.
Instruction 5.10.7 specifically tells umpires to prevent unnecessary walking around the court and testing replacement rackets on court. A genuine broken string or equipment problem may require a prompt change, but it is not permission for an extended practice test or tactical pause.
Advice and leaving
Coaching and courtside access cannot hold up play
Law 16.5.1 permits advice only while the shuttle is not in play and until the players have taken up position to serve and receive. Advice must stop at that point and cannot be the reason for delaying readiness. A pause between rallies is therefore not an unrestricted coaching timeout.
Under Law 16.5.2, a player may not leave the court during a match without the umpire's permission if doing so causes delay, except during the permitted Law 16.2 intervals. Instruction 5.10 tells the umpire to control unauthorised court leaving and apply Law 16.7 if necessary. Courtside towels, drinks, and spare equipment should be used within the applicable readiness procedure.
Injury and illness
Medical management is not recovery time
An injury or illness is handled carefully and flexibly under BWF Instruction 5.14. The umpire assesses the situation quickly, may call the Referee, and times the delay. The Referee decides whether the Tournament Doctor or another person is required on court, and treatment causing undue delay is not given there.
A flowing-blood injury is a specific safety case: the game should be delayed until the bleeding stops, the wound is suitably dressed, or the Referee advises otherwise. By contrast, fatigue, breathlessness, cramp management, or discomfort does not automatically give a player a medical timeout. The official distinguishes necessary safety assessment from delay intended to recover strength or wind.
Permitted intervals
Formal breaks have their own limits
Standard BWF play allows an interval not exceeding 60 seconds when the leading score first reaches 11 in each game and not exceeding 120 seconds between games. Those are the scheduled opportunities for recovery, drinks, and courtside advice. They are maximum durations, not time that may be added to a separate between-rally pause.
Alternative scoring systems can move the mid-game trigger, and televised matches may use mandatory fixed intervals decided in advance by the Referee. The complete timing and change-of-ends procedure is covered in badminton intervals, change of ends, and continuous play.
Examples
How common pauses are assessed
- A receiver briefly reties a loose shoe before taking position: the umpire can manage a genuine, prompt safety adjustment. Repeating the routine or prolonging it after the server is ready may become undue delay.
- A player walks slowly around the court after a long rally: recovery from exertion is not a permitted reason to delay, and the technical-official instructions expressly prevent unnecessary walking between rallies.
- A player takes a quick drink without a Time Clock: it may be allowed at the umpire's discretion if it does not unduly hold up play. It is not an automatic entitlement.
- The floor is wet with perspiration: the player identifies the area; the umpire and attendants manage the wipe. Both sides must be ready promptly when it is complete.
- The server delivers while the receiver is genuinely unready: the result is a let, unless the receiver attempted a return and is therefore treated as ready.
- A player keeps talking to a coach after taking service position: advice is no longer permitted and cannot delay the next service.
Official judgment
There is no universal stopwatch for every match
Outside a match using the BWF Time Clock, the Laws do not assign a fixed between-rally count. The umpire considers what is happening, whether it is necessary, whether the opponent is ready, and whether the player responds promptly to instructions. Because Law 16.4.2 makes the umpire the sole judge, players do not gain extra time simply by labelling a pause as towelling, equipment adjustment, or injury.
In an unofficiated club match, players should apply the same continuous-play baseline and agree practical necessities in good faith. The formal BWF card procedure assumes appointed officials; players should not invent card sanctions or award themselves misconduct points.
Enforcement
A reminder can escalate to warning and fault
The current BWF instructions direct an umpire to remind a player who violates the between-rally readiness provisions that play must be continuous. If necessary, Law 16.7 is then applied. For a breach of the interval, recovery-delay, court-leaving, or misconduct provisions, the umpire may issue a formal warning to the offending side.
If that side has already been warned, the umpire may fault it. A flagrant offence or breach may be faulted immediately without a prior warning. Under the BWF technical-official procedure, the formal warning is shown with a yellow card and a misconduct fault with a red card.
A fault has the normal rally-scoring consequence against the offending side. The umpire must report a faulted side immediately to the Referee, who has power under Law 16.7.2 to disqualify the side from the match. See the separate guide to badminton misconduct and penalty cards for the full card and Referee procedure.
Common misunderstandings
Six claims that overstate a player's time
- “Everyone gets 25 seconds after every rally.” No. That procedure applies only when the BWF Time Clock tool is operating, and readiness may be required sooner.
- “A drink is always allowed whenever the shuttle is dead.” No. Without the Time Clock, a quick drink is subject to the umpire's discretion and must not unduly hold up play.
- “The receiver alone decides when the next serve can happen.” No. The server cannot serve before readiness, but the receiver must not unduly delay once the server is in position and ready.
- “A long rally earns extra recovery.” No. Law 16.4 expressly prohibits delay to recover strength or wind.
- “Every delay must receive a warning first.” No. A flagrant breach can be faulted immediately.
- “Court wiping is a player timeout.” No. Officials manage a necessary wipe and require prompt readiness when it is complete.
Competition scope
Separate the Laws from event procedure
The continuous-play, recovery-delay, readiness, and misconduct principles on this page are BWF Laws. The detailed allowances for towelling, drinks, sprays, court wiping, equipment actions, and the optional Time Clock come from BWF's Instructions to Technical Officials and describe officiated BWF procedure.
National federations, local leagues, school competitions, Para badminton instructions, and authorised alternative formats may add or replace procedures within their scope. A competition should identify its governing body, effective ruleset, scoring format, and whether a Time Clock is operating rather than assuming that BWF tournament procedure applies unchanged.
Official references
Source material