diff --git a/R/multi_geo_fetch.R b/R/multi_geo_fetch.R
index 714ed77..fe09393 100644
--- a/R/multi_geo_fetch.R
+++ b/R/multi_geo_fetch.R
@@ -411,7 +411,8 @@ multi_geo_prep <- function(src,
       msa = msa,
       us = us,
       new_england = new_england,
-      nhood_type = nhood_valid_fips
+      nhood_type = nhood_valid_fips,
+      use_cogs = use_cogs
     )
     # print title
     rlang::exec(table_printout, !!!tbl_title)
diff --git a/R/printouts.R b/R/printouts.R
index 6752e7c..bfc5b77 100644
--- a/R/printouts.R
+++ b/R/printouts.R
@@ -4,11 +4,17 @@ bold_hdr <- function(place_name, place_type) {
 }
 
 ######## CENSUS: ACS + DECENNIAL ----
-geo_printout <- function(neighborhoods, tracts, blockgroups, towns, regions, pumas, counties, all_counties, drop_counties, state, msa, us, new_england, nhood_type) {
+geo_printout <- function(neighborhoods, tracts, blockgroups, towns, regions, pumas, counties, all_counties, drop_counties, state, msa, us, new_england, nhood_type, use_cogs) {
   geos <- tibble::lst(neighborhoods, tracts, blockgroups, towns, regions, pumas, counties, state)
   if (drop_counties) {
-    geos$counties <- NULL
+    geos[["counties"]] <- NULL
   }
+  # rename counties to cogs
+  if (!is.null(counties) & use_cogs) {
+    geos[["cogs"]] <- geos[["counties"]]
+    geos[["counties"]] <- NULL
+  }
+
   # basically writing own imap_at
   subgeos <- c("neighborhoods", "tracts", "blockgroups", "towns", "pumas")
   geos[subgeos] <- purrr::map(subgeos, function(geo_hdr) {
@@ -17,13 +23,17 @@ geo_printout <- function(neighborhoods, tracts, blockgroups, towns, regions, pum
       geo_txt <- NULL
     } else if (identical(geo, "all")) {
       if (all_counties) {
-        county_str <- "all counties"
+        if (use_cogs) {
+          county_str <- "all COGs"
+        } else {
+          county_str <- "all counties"
+        }
       } else {
         county_str <- "{counties}"
       }
       geo_txt <- sprintf("all %s in %s", geo_hdr, county_str)
     } else {
-      if (geo_hdr == "towns") {
+      if (identical(geo_hdr, "towns")) {
         geo_txt <- geo
       } else {
         geo_txt <- paste(length(unique(geo)), geo_hdr)
@@ -32,6 +42,7 @@ geo_printout <- function(neighborhoods, tracts, blockgroups, towns, regions, pum
     geo_txt
   })
   geos <- rlang::set_names(geos, stringr::str_to_sentence)
+  geos <- rlang::set_names(geos, stringr::str_replace, "Cogs", "COGs")
 
   if (msa) {
     if (new_england) {
diff --git a/tests/testthat/test-batch_csv_dump.R b/tests/testthat/test-batch_csv_dump.R
index c3feb28..b04720e 100644
--- a/tests/testthat/test-batch_csv_dump.R
+++ b/tests/testthat/test-batch_csv_dump.R
@@ -31,9 +31,16 @@ test_that("batch_csv_dump prints messages if verbose", {
 })
 
 test_that("batch_csv_dump passes arguments to write.csv", {
-  df <- dummy_df()
-  df$value[1:3] <- NA_real_
+  # remember batch_csv_dump uses write.csv, not readr::write_csv!
+  df <- data.frame(
+    region = rep(c("A", "B", "C"), each = 2),
+    value = c(NA_real_, runif(5))
+  )
   dir <- tempdir()
   set_na <- batch_csv_dump(df, split_by = region, path = dir, base_name = "set_na", na = "")
-  no_names <- batch_csv_dump(df, split_by = region, path = dir, base_name = "no_names")
+
+  # should have blank at end of line
+  set_na_read <- stringr::str_remove_all(readLines(file.path(dir, "set_na_A.csv")), '\"')
+  expect_true(grepl(",$", set_na_read[2]))
+  expect_false(grepl(",$", set_na_read[3]))
 })
diff --git a/tests/testthat/test-multi_geo_fetch.R b/tests/testthat/test-multi_geo_fetch.R
index 6516690..0e411db 100644
--- a/tests/testthat/test-multi_geo_fetch.R
+++ b/tests/testthat/test-multi_geo_fetch.R
@@ -1,6 +1,3 @@
-library(cwi)
-library(testthat)
-
 # since there's a function that preps but doesn't make API calls, can use that for testing without doing full calls.
 test_that("multi_geo_* validates state names and FIPS codes", {
   expect_error(multi_test(state = NULL), "Must supply")
diff --git a/tests/testthat/test-printouts.R b/tests/testthat/test-printouts.R
new file mode 100644
index 0000000..28b938f
--- /dev/null
+++ b/tests/testthat/test-printouts.R
@@ -0,0 +1,10 @@
+test_that("geo_printout handles counties vs COGs", {
+  expect_message(multi_test(year = 2021), "Counties: Fairfield County,")
+  expect_message(multi_test(year = 2022), "COGs: Capitol COG, ")
+
+  expect_message(multi_test(year = 2021), "all towns in all counties")
+  expect_message(multi_test(year = 2022), "all towns in all COGs")
+
+  expect_message(multi_test(year = 2021, counties = "Fairfield County"), "all towns in Fairfield County")
+  expect_message(multi_test(year = 2022, counties = "Capitol COG"), "all towns in Capitol COG")
+})