diff --git a/mmv1/third_party/terraform/tests/resource_privateca_certificate_authority_sweeper_test.go b/mmv1/third_party/terraform/tests/resource_privateca_certificate_authority_sweeper_test.go
new file mode 100644
index 000000000000..82af53296207
--- /dev/null
+++ b/mmv1/third_party/terraform/tests/resource_privateca_certificate_authority_sweeper_test.go
@@ -0,0 +1,127 @@
+package google
+
+import (
+	"context"
+	"fmt"
+	"log"
+	"strings"
+
+	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/resource"
+)
+
+func init() {
+	resource.AddTestSweepers("CertificateAuthority", &resource.Sweeper{
+		Name: "CertificateAuthority",
+		F:    testSweepCertificateAuthority,
+	})
+}
+
+// At the time of writing, the CI only passes us-central1 as the region
+func testSweepCertificateAuthority(region string) error {
+	resourceName := "CertificateAuthority"
+	log.Printf("[INFO][SWEEPER_LOG] Starting sweeper for %s", resourceName)
+
+	config, err := sharedConfigForRegion(region)
+	if err != nil {
+		log.Printf("[INFO][SWEEPER_LOG] error getting shared config for region: %s", err)
+		return err
+	}
+
+	err = config.LoadAndValidate(context.Background())
+	if err != nil {
+		log.Printf("[INFO][SWEEPER_LOG] error loading: %s", err)
+		return err
+	}
+
+	// Setup variables to replace in list template
+	d := &ResourceDataMock{
+		FieldsInSchema: map[string]interface{}{
+			"project":  config.Project,
+			"location": region,
+		},
+	}
+
+	caPoolsUrl, err := replaceVars(d, config, "{{PrivatecaBasePath}}projects/{{project}}/locations/{{location}}/caPools")
+	if err != nil {
+		return err
+	}
+
+	res, err := sendRequest(config, "GET", config.Project, caPoolsUrl, config.userAgent, nil)
+	if err != nil {
+		log.Printf("[INFO][SWEEPER_LOG] Error in response from request %s: %s", caPoolsUrl, err)
+		return nil
+	}
+
+	resourceList, ok := res["caPools"]
+	if !ok {
+		log.Printf("[INFO][SWEEPER_LOG] Nothing found in response.")
+		return nil
+	}
+
+	rl := resourceList.([]interface{})
+
+	log.Printf("[INFO][SWEEPER_LOG] Found %d items in %s list response.", len(rl), resourceName)
+	// Count items that weren't sweeped.
+	nonPrefixCount := 0
+	for _, ri := range rl {
+		obj := ri.(map[string]interface{})
+
+		poolName := obj["name"].(string)
+
+		caListUrl := config.PrivatecaBasePath + poolName + "/certificateAuthorities"
+
+		res, err := sendRequest(config, "GET", config.Project, caListUrl, config.userAgent, nil)
+		if err != nil {
+			log.Printf("[INFO][SWEEPER_LOG] Error in response from request %s: %s", caPoolsUrl, err)
+			return nil
+		}
+
+		caResourceList, ok := res["certificateAuthorities"]
+		if !ok {
+			log.Printf("[INFO][SWEEPER_LOG] Nothing found in certificate authority list response.")
+			continue
+		}
+
+		carl := caResourceList.([]interface{})
+		for _, cai := range carl {
+			obj := cai.(map[string]interface{})
+			caName := obj["name"].(string)
+
+			// Increment count and skip if resource is not sweepable.
+			nameParts := strings.Split(caName, "/")
+			id := nameParts[len(nameParts)-1]
+			if !isSweepableTestResource(id) {
+				nonPrefixCount++
+				continue
+			}
+
+			if obj["state"] == "DELETED" {
+				continue
+			}
+
+			if obj["state"] == "ENABLED" {
+				disableUrl := fmt.Sprintf("%s%s:disable", config.PrivatecaBasePath, caName)
+				_, err = sendRequest(config, "POST", config.Project, disableUrl, config.userAgent, nil)
+				if err != nil {
+					log.Printf("[INFO][SWEEPER_LOG] Error disabling for url %s : %s", disableUrl, err)
+				} else {
+					log.Printf("[INFO][SWEEPER_LOG] Disabling %s resource: %s", resourceName, caName)
+				}
+			}
+
+			deleteUrl := config.PrivatecaBasePath + caName
+			_, err = sendRequest(config, "DELETE", config.Project, deleteUrl, config.userAgent, nil)
+			if err != nil {
+				log.Printf("[INFO][SWEEPER_LOG] Error deleting for url %s : %s", deleteUrl, err)
+			} else {
+				log.Printf("[INFO][SWEEPER_LOG] Deleted a %s resource: %s", resourceName, caName)
+			}
+		}
+	}
+
+	if nonPrefixCount > 0 {
+		log.Printf("[INFO][SWEEPER_LOG] %d items without tf-test prefix remain.", nonPrefixCount)
+	}
+
+	return nil
+}