Acceptance Decision
Updated 22 June 2026
Applies to England, Scotland and Wales
Case Number: TUR1/1540(2026)
22 June 2026
CENTRAL ARBITRATION COMMITTEE
TRADE UNION AND LABOUR RELATIONS (CONSOLIDATION) ACT 1992
SCHEDULE A1 - COLLECTIVE BARGAINING: RECOGNITION
DECISION ON WHETHER TO ACCEPT THE APPLICATION
The Parties:
RMT
and
Heavy Haul Rail Limited
1. Introduction
1) RMT (the Union) submitted an application to the CAC on 22 April 2026 that it should be recognised for collective bargaining by Heavy Haul Rail Limited (the Employer) for a bargaining unit comprising “All Train Planners”. The location of the bargaining unit was given as “All Locations.” The CAC gave both parties notice of receipt of the application on 22 April 2026. The Employer submitted a response to the CAC dated 29 April 2026 which was copied to the Union. In error it was supplied with the incorrect response form and therefore submitted a further response on 30 April 2026.
2) In accordance with section 263 of the Trade Union and Labour Relations (Consolidation) Act 1992 (the Act), the CAC Chair established a Panel to deal with the case. The Panel consisted of Ms Laura Prince K.C., Panel Chair, and, as Members, Mr David Cadger and Mr Paul Moloney. The Case Manager appointed to support the Panel was Lauren Hyatt.
3) The CAC Panel has extended the acceptance period in this case. The initial period expired on 7 May 2026. The acceptance period was extended to 22 May 2026 in order to allow time for a membership check to be carried out. The acceptance period was extended again to 5 June 2026 in order to allow time for the parties to comment on the results of the membership check and for the Panel to consider those comments before arriving at a decision. The acceptance period was extended again until 22 June 2026 in order for the decision to be drafted.
2. Issues
4) The Panel is required by paragraph 15 of Schedule A1 to the Act (the Schedule) to decide whether the Union’s application to the CAC is valid within the terms of paragraphs 5 to 9; is made in accordance with paragraphs 11 or 12; is admissible within the terms of paragraphs 33 to 42; and therefore should be accepted.
3. The Union’s application
5) In its application the Union said that it had sent its request for recognition to the Employer on 6 April 2026. The Union stated that in a letter dated 17 April 2026 the Employer had refused the request. A copy of the Union’s request letter and the Employer’s letter of 17 April 2026 were attached to the Union’s application.
6) When asked whether the Union had made a previous application under the Schedule for statutory recognition for workers in the proposed bargaining unit or a similar unit the Union answered “No”. The Union stated that, following receipt of the request for recognition, the Employer had not proposed that Acas should be requested to assist the parties.
7) The Union stated that the total number of workers employed by the Employer was 950. The Union stated that there were 12 workers in the proposed bargaining unit, of whom 10 were members of the Union.
8) In answer to the question whether the bargaining unit had been agreed with the Employer, the Union said “No”. The Union said that there was no existing recognition agreement of which it was aware which covered any workers in the bargaining unit.
9) The Union confirmed that it held a current certificate of independence. Finally, the Union stated that it had copied its application and supporting documents to the Employer on 22 April 2026. The Union said it consented to its contact details being forwarded to Acas.
4. The Employer’s response to the Union’s application
10) The Employer stated that it had received the Union’s written request for recognition on 6 April 2026. The Employer said that it had responded to the initial letter on 17 April 2026 and declined the request. A copy of the Employer’s letter of 17 April 2026 was attached to its response.
11) The Employer confirmed that it had received a copy of the application form and supporting documents from the Union on 22 April 2026. The Employer stated that it had not, before receiving a copy of the application form from the Union, agreed the bargaining unit with the Union. The Employer stated that, following receipt of the Union’s request, it had not proposed that Acas should be requested to assist.
12) The Employer said that the total number of workers it employed was 965. The Employer said that there were 11 workers in the bargaining unit as defined in the Union’s application. The Employer said that there was no existing agreement for recognition in force covering workers in the proposed bargaining unit.
13) When asked whether it agreed with the Union’s estimate of membership in the bargaining unit the Employer answered “No”.
14) The Employer answered “N/A” when asked whether it was aware of any previous application under the Schedule by the Union in respect of this or a similar bargaining unit, and, whether had it received any other applications in respect of any workers in the proposed bargaining unit. The Employer said that it consented to its contact details being forwarded to Acas.
15) On 11 May 2026 the CAC copied the Employer’s response to the application to the Union.
5. The membership check
16) To assist in the determination of one of the admissibility criteria specified in the Schedule, namely, whether members of the union constitute at least the required percentage (currently 10%) of the workers in the proposed bargaining unit (paragraph 36(1)), the Panel proposed an independent check of the level of union membership within the proposed bargaining unit. It was agreed with the parties that the Employer would supply to the Case Manager a list of the names, dates of birth and job titles of workers within the proposed bargaining unit, and that the Union would supply to the Case Manager a list of its paid up members within that unit (including their dates of birth). It was explicitly agreed with both parties that, to preserve confidentiality, the respective lists would not be copied to the other party and that agreement was confirmed in a letter dated 12 May 2026 from the Case Manager to both parties.
17) The information requested from the Employer was received by the CAC on 14 May 2026 and from the Union on 22 May 2026. The Panel is satisfied that this check was conducted properly and impartially and in accordance with the agreement reached with the parties.
18) The list supplied by the Employer indicated that there were 17 workers in the Union’s proposed bargaining unit. The list of members supplied by the Union contained 11 names. According to the Case Manager’s report, the number of Union members in the proposed bargaining unit was 11, a membership level of 64.7%.
19) A report of the result of the membership check was circulated to the Panel and the parties on 26 May 2026 and the parties were invited to comment on the results of that check by close of business on 29 May 2026.
6. Summary of the parties’ comments following the membership check
20) In an e-mail to the CAC dated 26 May 2026 the Union stated that it notes that the Membership Report shows the proportion of union members in the bargaining unit is 64.7% and it believes it has met the threshold for acceptance. It also stated that this percentage represents a majority of the workers in the bargaining unit, which it believes will result in a declaration of recognition for RMT without a ballot.
21) In an e-mail to the CAC dated 29 May 2026 the Employer stated that it had no queries on the membership check.
7. Considerations
22) In determining whether to accept the application the Panel must decide whether the admissibility and validity provisions referred to in paragraph 4 of this decision are satisfied. The Panel has considered all the evidence submitted by the parties in reaching its decision.
23) The Panel is satisfied that the application is not rendered inadmissible by any of the provisions in paragraphs 33 to 35 and paragraphs 37 to 42 and that it was made in accordance with paragraph 11 of the Schedule. The remaining issue for the Panel to address is whether the admissibility criterion set out in paragraph 36 of the Schedule is met.
Paragraph 36
24) Under paragraph 36(1) of the Schedule an application is not admissible unless the Panel decides that members of the union constitute at least the required percentage of the workers in the proposed bargaining unit. Paragraph 171B states that “the required percentage” currently means 10%.
25) The membership check conducted by the Case Manager (described in paragraphs 16-19 above) showed that 64.7% of the workers in the proposed bargaining unit (11 out of 17 workers) were members of the Union. As stated in paragraph 17 above, the Panel is satisfied that this check was conducted properly and impartially and in accordance with the agreement reached with the parties. The Panel has therefore decided that members of the union constitute at least the required percentage of the workers in the proposed bargaining unit as required by paragraph 36(1) of the Schedule.
8. Decision
26) For the reasons given above, the Panel’s decision is that the application is accepted by the CAC.
Panel
Ms Laura Prince K.C., Panel Chair
Mr David Cadger
Mr Paul Moloney
22 June 2026