billing requirements applicable to plans A group health plan may not pay a claim for items and services furnished on or after January 1, 2026, to an individual at an off-campus outpatient department of a provider (as defined in section 2799B–10(b)) of the Public Health Service Act) submitted by a health care provider or facility unless such claim submitted by such provider or facility includes a separate unique health identifier for the department where items and services were furnished, in accordance with section 2799B–10 of such Act. . (B) Clerical amendment The table of sections for subchapter B of chapter 100 of the Internal Revenue Code of 1986 is amended by adding at the end the following new item: Sec. 9826. Honest billing requirements applicable to plans. . (b) Requiring a separate identification number and an attestation for each off-Campus outpatient department of a provider (1) In general Part E of title XXVII of the Public Health Service Act (42 U.S.C. 300gg–131 et seq.) is amended by adding at the end the following: 2799B–10. Honest billing requirements applicable to providers (a) Requirements relating to unique health identifiers For items and services furnished, on or after January 1, 2026, at an off-campus outpatient department of a provider to a participant, beneficiary, or enrollee with benefits under a group health plan or group or individual health insurance coverage offered by a health insurance issuer, a health care provider or facility may not submit a claim to the group health plan or health insurance issuer, bill the participant, beneficiary, or enrollee, or hold liable the participant, beneficiary, or enrollee, unless— (1) such provider or facility obtains a separate unique health identifier established for such department pursuant to section 1173(b) of the Social Security Act