diff --git a/inst/extdata/fixture_corpus/data/summary_categories.parquet b/inst/extdata/fixture_corpus/data/summary_categories.parquet
index 054efa2..d87566b 100644
Binary files a/inst/extdata/fixture_corpus/data/summary_categories.parquet and b/inst/extdata/fixture_corpus/data/summary_categories.parquet differ
diff --git a/inst/extdata/fixture_corpus/manifest.json b/inst/extdata/fixture_corpus/manifest.json
index a28403e..d86af01 100644
--- a/inst/extdata/fixture_corpus/manifest.json
+++ b/inst/extdata/fixture_corpus/manifest.json
@@ -1,7 +1,7 @@
 {
   "schema_version": 6,
-  "built_at": "2026-07-23T16:14:30Z",
-  "pipeline_commit": "4f992a0",
+  "built_at": "2026-07-27T13:04:05Z",
+  "pipeline_commit": "6098baf",
   "fixture_note": "Four-year (2011, 2012, 2019, 2020) fixture for uscogdata tests. Full corpus available via USCOGDATA_URL. Regenerated for Phase R2 (schema_version 5, harmonization_map/harmonization_recipes/ series_breaks parquet tables added). 2011/2012 straddle the wide-aggregate -> modern-leaf format boundary exercised by basis= \"harmonized\" and recipe= queries; 2019/2020 retain the prior per-capita/CPI regression anchors. Full canonical_fips_xwalk master and canonical_alias lookup table included via data-raw/regenerate_fixture_corpus.R.",
   "data_vintage": {
     "source_vintages": {
@@ -75,7 +75,7 @@
       },
       {
         "path": "data/summary_categories.parquet",
-        "sha256": "8e6fcd4dd9bb4723841a67233b19388c9762dfc23b4479501183cebf7ea3c1b5",
+        "sha256": "0985b607f3f35a8dff62c0561261ab6922423b81d11c07b03bcb3e3461f85e33",
         "description": "summary_categories.parquet"
       },
       {
diff --git a/tests/testthat/test-categories.R b/tests/testthat/test-categories.R
index af802f8..74b6aa1 100644
--- a/tests/testthat/test-categories.R
+++ b/tests/testthat/test-categories.R
@@ -15,7 +15,18 @@ test_that("cog_categories(type = 'spending') returns only expenditure rows", {
   skip_if_no_corpus()
   r <- cog_categories(type = "spending")
   expect_true(all(r$category_type == "expenditure"))
-  expect_true(all(r$subtype %in% c("operations", "capital")))
+  expect_true(all(r$subtype %in% c("operations", "capital", "intergovernmental")))
+})
+
+test_that("cog_categories surfaces the intergovernmental spending subtype", {
+  skip_if_no_corpus()
+  r <- cog_categories(type = "spending")
+  expect_true("intergovernmental" %in% r$subtype)
+  # IG rows reuse the existing functional categories -- they add a subtype,
+  # not new category values.
+  ig_cats     <- sort(unique(r$category[r$subtype == "intergovernmental"]))
+  direct_cats <- sort(unique(r$category[r$subtype != "intergovernmental"]))
+  expect_true(all(ig_cats %in% c(direct_cats, "Other Education")))
 })
 
 test_that("cog_categories(type = 'revenue') returns only revenue rows", {