Bonus Depreciation Phase Down Year Lookup
Exact independently verified bonus-depreciation phase rules reference registry lookup in explicit tax year, acquisition/placed-in-service dates, property and dated law context, retaining source and as-of date. Caller supplies the actual applicable record, including qualifications, exceptions and uncertainty; illustrative examples are not authoritative records. No built-in complete/current data, eligibility, authenticity, legal/coverage determination or advice.
Description
Bonus-depreciation rules depend on acquisition and placed-in-service dates, property, and applicable law.
Bonus-depreciation rules depend on acquisition and placed-in-service dates, property, and applicable law.1
This lookup preserves your verified record rather than treating an original phase-down schedule as current law.
When to use Bonus Depreciation Phase Down Year Lookup
Use this tool when you need to retrieve a verified reference with its source, context, and as-of date. Establish jurisdiction, tax year, applicable authority, and eligible amounts or evidence before entering values.
How to use Bonus Depreciation Phase Down Year Lookup and understand its results
- Establish jurisdiction, tax year, applicable authority, and eligible amounts or evidence before entering values.
- Enter callerVerifiedSource, callerVerifiedContext, callerVerifiedAsOfDate, callerReferenceKeys, callerReferenceTexts, queryReferenceKey, following the field table and rules below, then run the tool.
- Read result. Use the output meanings below to interpret units, signs, flags, and any nested result fields.
- Correct reported input issues and run again. For a successful result, check the stated evidence coverage and assumptions before using it in your review.
| Input field | Meaning | Value type | Requirement |
|---|---|---|---|
| callerVerifiedSource | Caller verified source | string | Required |
| callerVerifiedContext | Caller verified context | string | Required |
| callerVerifiedAsOfDate | Caller verified as of date | string | Required |
| callerReferenceKeys | Caller reference keys | list of string | Required |
| callerReferenceTexts | Caller reference texts | list of string | Required |
| queryReferenceKey | Query reference key | string | Required |
Enter a nonblank independently verified source and context, each at most 256 characters, a real Gregorian YYYY-MM-DD as-of date with year 0001–9999, unique nonblank reference keys, aligned nonblank reference texts, and an exact query key. Return the matching text unchanged inside result together with source, context, and asOfDate. Keys are case-sensitive and are not trimmed or normalized for matching. A missing key is an input error; the tool neither downloads records nor verifies their authority or freshness.
result.matchedCallerReference=referenceTexts[indexOf(referenceKeys,queryKey)] Symbols follow the input and output meanings and the calculation rules above.
| Output field | Meaning | Value type |
|---|---|---|
| result | Calculated observation or qualified reference | object |
| result.matchedCallerReference | Matched Caller Reference | string |
| result.source | Source | string |
| result.context | Context | string |
| result.asOfDate | As Of Date | string |
{
"input": {
"callerVerifiedSource": "independently-reviewed-source/edition",
"callerVerifiedContext": "tax year, acquisition/placed-in-service dates, property and dated law",
"callerVerifiedAsOfDate": "2026-01-01",
"callerReferenceKeys": [
"record-a",
"record-b"
],
"callerReferenceTexts": [
"Caller independently verified bonus-depreciation phase rules record a",
"Caller independently verified bonus-depreciation phase rules record b"
],
"queryReferenceKey": "record-a"
},
"output": {
"result": {
"matchedCallerReference": "Caller independently verified bonus-depreciation phase rules record a",
"source": "independently-reviewed-source/edition",
"context": "tax year, acquisition/placed-in-service dates, property and dated law",
"asOfDate": "2026-01-01"
}
}
}Limitations and assumptions
The supplied registry, source, context, and date are records, not independently authenticated evidence. There is no built-in complete or current tax database. Rates, deadlines, exemptions, qualifications, and exceptions must be verified for the actual case before supplying a record.
Missing required fields, unknown fields, wrong types, and violated calculation rules are input issues. Evidence arrays must be dense, with no missing cells. String lists allow at most 128 strings of at most 128 characters. Extremely large text is rejected. Extremely large composite outputs are rejected.
Alternative or Complementary methods
For a related review, use MACRS Property Class Recovery Period Lookup: A MACRS recovery-period reference needs the asset facts, depreciation system, method, and convention. This lookup preserves a supplied authoritative record rather than classifying an asset automatically. For a complementary step, use Section 179 Limit Election Checker: A section 179 election screen needs an eligible election amount and an independently applicable limit. This tool records their numerical relationship without deriving phaseout or taxable-income restrictions.
References
Similar or alternative tools
- MACRS Property Class Recovery Period Lookup
A MACRS recovery-period reference needs the asset facts, depreciation system, method, and convention. This lookup preserves a supplied authoritative record rather than classifying an asset automatically.
- Section 179 Limit Election Checker
A section 179 election screen needs an eligible election amount and an independently applicable limit. This tool records their numerical relationship without deriving phaseout or taxable-income restrictions.