{"data":{"id":"us-ar/ark.-code-ann.-23-4-406","jurisdiction":"us-ar","citation":"Ark. Code Ann. § 23-4-406","heading":"Test periods to justify new rates","body":"For the purpose of justifying the reasonableness of a proposed new rate schedule, a utility may utilize either a historical test period of twelve (12) consecutive calendar months or a forward-looking test period of twelve (12) consecutive calendar months consisting of six (6) months of actual historical data derived from the books and records of the utility and six (6) months of projected data which together shall be the period or test year upon which fair and reasonable rates shall be determined by the Arkansas Public Service Commission. However, the commission shall also permit adjustments to any test year so utilized to reflect the effects on an annualized basis of any and all changes in circumstances which may occur within twelve (12) months after the end of the test year where such changes are both reasonably known and measurable.","path":["AR Code","Title 23","Chapter 4","Subchapter 4"],"source_url":"https://oss-data-us.vaquill.ai/v2026.08/us_ar_statutes.parquet","current_through":"2026-08-14","vintage":"open-us-law v2026.08, retrieved 2026-09-17","retrieved_at":"2026-09-17T21:35:43Z","sha256":"b31f8a8d16c609557b8539e35c71dae1d162e1dc843b8c4098ed2327f49abfe6","source_id":"us-ar","stale":false,"prev":"us-ar/ark.-code-ann.-23-4-405","next":"us-ar/ark.-code-ann.-23-4-407","notices":[{"id":"open-us-law","title":"Open US Law compilation","text":"Compilation CC BY 4.0, Open US Law (Vaquill AI). GroundRules uses only the releases published under CC BY 4.0: from v2026.09 the compilation is licensed CC BY-NC 4.0, and GroundRules does not use those releases. Each affected row names its release in its vintage label. GroundRules parsed and filtered the compilation to retain enacted text.","url":"https://huggingface.co/datasets/vaquill/open-us-law","license_url":"https://creativecommons.org/licenses/by/4.0/"},{"id":"pro-ar","title":"Arkansas Release 78 supplement","text":"Arkansas electronic product files were republished by Public.Resource.Org under a public-domain mark. GroundRules uses enacted text from Release 78 only as a labeled supplement to the newer Open US Law rows.","url":"https://archive.org/details/gov.ar.code"}]},"notice":"GroundRules: Original legal text. Not legal advice."}