TL;DR: From 8 April 2026, the Immigration Rules change described in HC 1691 adjusts Skilled Worker salary compliance so that a sponsored worker is expected to be paid the required salary in each pay period, subject to variations already permitted in the Rules. The policy intent described in the official explanatory memorandum is to allow UK Visas and Immigration to identify underpayment without waiting for a full year of payments. The statement of changes text published on GOV.UK sets out transitional arrangements: decisions on certain applications and reviews are tied to whether a certificate of sponsorship was assigned, or an application made, before 8 April 2026.
Sponsor compliance has long centred on whether a sponsored worker is paid at or above the applicable general threshold, going rate, and any transitional or discounted rates that apply to an occupation. HC 1691 adds a pay-period lens to that assessment in the Skilled Worker route.
What the explanatory memorandum says
According to the accessible explanatory memorandum published with HC 1691 on GOV.UK, the change is framed as follows:
“A change is being made to the salary requirements so that a worker must be paid the required salary in each pay period, subject to variations already permitted in the Rules.”
The memorandum adds that the change is intended so that UKVI “do not need to wait until a full year of salary has been paid where there are concerns about underpayment,” and that sponsors may be notified and given an opportunity to explain or remedy issues, with compliance action possible where concerns are substantiated.
Commencement: 8 April 2026
The statement of changes (legal text) specifies that the relevant paragraphs take effect on 8 April 2026. The published text also contains transitional wording: where a certificate of sponsorship was assigned to an applicant before that date, or where an application that does not require a certificate of sponsorship was made before that date, the version of the Rules in force immediately before the change continues to apply to the decision (subject to the exact wording in the official text for each scenario).
Sponsors and applicants reviewing a specific case should read the implementation section of HC 1691 alongside the amended Appendix Skilled Worker paragraphs, because transitional drafting can differ between entry clearance, permission to stay, and administrative review situations.
Why pay-period compliance matters for sponsors
Where salary is assessed by reference to each pay period, reporting and payroll processes become more tightly coupled to sponsorship duties. Employers already subject to HMRC reporting and minimum wage law remain responsible for those regimes; the immigration rule change described here is an additional Immigration Rules lens on whether the sponsored package meets the route’s salary tests over time, not only on paper at the date of assignation.
The Home Office states in sponsor-facing narratives (including the memorandum) that early identification of underpayment supports worker welfare. Published sponsor guidance on GOV.UK is updated when Rules changes take effect; payroll arrangements are assessed against HMRC requirements and the Immigration Rules as they stand on the date of decision.
Relationship to other HC 1691 Skilled Worker topics
HC 1691 also contains separate Skilled Worker-related provisions — for example, time-limited arrangements described for prison officers — with different dates and conditions. Those should be read as standalone rule blocks rather than merged with the pay-period salary change.
Official source
The instrument and attachments are published on GOV.UK at:
https://www.gov.uk/government/publications/statement-of-changes-to-the-immigration-rules-hc-1619-5-march-2026
The PDF statement of changes and the accessible explanatory memorandum both carry the HC 1691 command paper reference in their titles, notwithstanding the “hc-1619” segment in the publication URL path.