From 2e508faea73bc30c64d1180083bd4a85c6e80861 Mon Sep 17 00:00:00 2001 From: "martin.holmer@gmail.com" Date: Tue, 9 Jul 2024 18:52:49 -0400 Subject: [PATCH 1/2] Update Tax-Calculator version in the docs/usage/tcja_after_2025.md file --- docs/usage/tcja_after_2025.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/docs/usage/tcja_after_2025.md b/docs/usage/tcja_after_2025.md index 0c29e4ce9..8c3ea0eea 100644 --- a/docs/usage/tcja_after_2025.md +++ b/docs/usage/tcja_after_2025.md @@ -125,7 +125,7 @@ changes or whenever new historical values of policy parameters are added to the `policy_current_law.json` file thereby changing the `Policy.LAST_KNOWN_YEAR`. -The 3.5.3 version of Tax-Calculator incorporates the February 2024 CBO +The 4.0.0 version of Tax-Calculator incorporates the February 2024 CBO economic projection and contains historical tax policy parameter values through 2022. Future versions of Tax-Calculator that use historical policy parameter values for 2023 and 2024 or use the February 2025 CBO From 1679d483a1a7ef760c62ad63969b798639490a8b Mon Sep 17 00:00:00 2001 From: "martin.holmer@gmail.com" Date: Tue, 9 Jul 2024 20:00:09 -0400 Subject: [PATCH 2/2] Add mention of custom growfactors file in docs --- docs/usage/tcja_after_2025.md | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/docs/usage/tcja_after_2025.md b/docs/usage/tcja_after_2025.md index 8c3ea0eea..346769235 100644 --- a/docs/usage/tcja_after_2025.md +++ b/docs/usage/tcja_after_2025.md @@ -32,6 +32,14 @@ expire). Compatible input datasets include: data, and are available only to those with access to the 2015 IRS/SOI PUF +Note that if you are using the Python API to Tax-Calculator (as +described in the +[Recipes](https://taxcalc.pslmodels.org/recipes/index.html)) to +analyze the TCJA after 2025 and need to specify custom GrowFactors +after 2025, you can use the old additive-differences `growdiffs` +approach or you can specify a custom `growfactors` file as described +[here](https://github.com/PSLmodels/Tax-Calculator/pull/2757#issuecomment-2218662804). + Before reading the rest of this document, be sure you understand how to use the Tax-Calculator command-line tool [tc](https://taxcalc.pslmodels.org/guide/cli.html), particularly the