HMRC have announced an update advising of downtime on Thursday 26 June from 3pm-5pm relating to the transition from the existing ALVS system to the new BTMS service:
"Following on from the communication issued on Thursday 19 June regarding the transition from the existing ALVS system to the new BTMS service, please note there will be a scheduled downtime on Thursday 26 June from 3pm-5pm.During this period, traders may encounter delays, as CDS and IPAFFS declarations will be placed in a queue. To minimise disruption, please submit your declarations outside of this timeframe where possible and avoid arrivals between 3pm-5pm. Please avoid arriving between 3pm and 5pm, as you may be held at the BCP/Port pending the clearance of Customs Holds - holds will be automatically lifted once the system is back online.Thank you for your continued cooperation as we implement this important upgrade."
Posted on Monday 23rd June 2025