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diff --git a/src/exchangedb/0002-legitimization_processes.sql b/src/exchangedb/0002-legitimization_processes.sql
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+++ b/src/exchangedb/0002-legitimization_processes.sql
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+--
+-- This file is part of TALER
+-- Copyright (C) 2014--2022 Taler Systems SA
+--
+-- TALER is free software; you can redistribute it and/or modify it under the
+-- terms of the GNU General Public License as published by the Free Software
+-- Foundation; either version 3, or (at your option) any later version.
+--
+-- TALER is distributed in the hope that it will be useful, but WITHOUT ANY
+-- WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+-- A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+--
+-- You should have received a copy of the GNU General Public License along with
+-- TALER; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+--
+
+CREATE FUNCTION create_table_legitimization_processes(
+  IN shard_suffix TEXT DEFAULT NULL
+)
+RETURNS VOID
+LANGUAGE plpgsql
+AS $$
+BEGIN
+  PERFORM create_partitioned_table(
+    'CREATE TABLE %I'
+      '(legitimization_process_serial_id BIGINT GENERATED BY DEFAULT AS IDENTITY'
+      ',h_payto BYTEA NOT NULL CHECK (LENGTH(h_payto)=32)'
+      ',start_time INT8 NOT NULL'
+      ',expiration_time INT8 NOT NULL DEFAULT (0)'
+      ',provider_section TEXT NOT NULL'
+      ',provider_user_id TEXT DEFAULT NULL'
+      ',provider_legitimization_id TEXT DEFAULT NULL'
+      ',redirect_url TEXT DEFAULT NULL'
+      ',finished BOOLEAN DEFAULT (FALSE)'
+    ') %s ;'
+    ,'legitimization_processes'
+    ,'PARTITION BY HASH (h_payto)'
+    ,shard_suffix
+  );
+  PERFORM comment_partitioned_table(
+    'List of legitimization processes (ongoing and completed) by account and provider'
+    ,'legitimization_processes'
+    ,shard_suffix
+  );
+  PERFORM comment_partitioned_column(
+     'unique ID for this legitimization process at the exchange'
+    ,'legitimization_process_serial_id'
+    ,'legitimization_processes'
+    ,shard_suffix
+  );
+  PERFORM comment_partitioned_column(
+     'foreign key linking the entry to the wire_targets table, NOT a primary key (multiple legitimizations are possible per wire target)'
+    ,'h_payto'
+    ,'legitimization_processes'
+    ,shard_suffix
+  );
+  PERFORM comment_partitioned_column(
+     'time when the KYC check was initiated, useful for garbage collection'
+    ,'expiration_time'
+    ,'legitimization_processes'
+    ,shard_suffix
+  );
+  PERFORM comment_partitioned_column(
+     'URL where the user should go to begin the KYC process'
+    ,'redirect_url'
+    ,'legitimization_processes'
+    ,shard_suffix
+  );
+  PERFORM comment_partitioned_column(
+     'in the future if the respective KYC check was passed successfully'
+    ,'expiration_time'
+    ,'legitimization_processes'
+    ,shard_suffix
+  );
+  PERFORM comment_partitioned_column(
+     'Configuration file section with details about this provider'
+    ,'provider_section'
+    ,'legitimization_processes'
+    ,shard_suffix
+  );
+  PERFORM comment_partitioned_column(
+     'Identifier for the user at the provider that was used for the legitimization. NULL if provider is unaware.'
+    ,'provider_user_id'
+    ,'legitimization_processes'
+    ,shard_suffix
+  );
+  PERFORM comment_partitioned_column(
+     'Identifier for the specific legitimization process at the provider. NULL if legitimization was not started.'
+    ,'provider_legitimization_id'
+    ,'legitimization_processes'
+    ,shard_suffix
+  );
+  PERFORM comment_partitioned_column(
+     'Set to TRUE when the specific legitimization process is finished.'
+    ,'finished'
+    ,'legitimization_processes'
+    ,shard_suffix
+  );
+END
+$$;
+
+-- We need a separate function for this, as we call create_table only once but need to add
+-- those constraints to each partition which gets created
+CREATE FUNCTION constrain_table_legitimization_processes(
+  IN partition_suffix TEXT
+)
+RETURNS void
+LANGUAGE plpgsql
+AS $$
+DECLARE
+  partition_name TEXT;
+BEGIN
+  partition_name = concat_ws('_', 'legitimization_processes', partition_suffix);
+
+  EXECUTE FORMAT (
+    'ALTER TABLE ' || partition_name
+    || ' '
+      'ADD CONSTRAINT ' || partition_name || '_serial_key '
+        'UNIQUE (legitimization_process_serial_id)');
+  EXECUTE FORMAT (
+    'CREATE INDEX IF NOT EXISTS ' || partition_name || '_by_provider_and_legi_index '
+        'ON '|| partition_name || ' '
+        '(provider_section,provider_legitimization_id)'
+  );
+  EXECUTE FORMAT (
+    'COMMENT ON INDEX ' || partition_name || '_by_provider_and_legi_index '
+    'IS ' || quote_literal('used (rarely) in kyc_provider_account_lookup') || ';'
+  );
+END
+$$;
+
+
+INSERT INTO exchange_tables
+    (name
+    ,version
+    ,action
+    ,partitioned
+    ,by_range)
+  VALUES
+    ('legitimization_processes'
+    ,'exchange-0002'
+    ,'create'
+    ,TRUE
+    ,FALSE),
+    ('legitimization_processes'
+    ,'exchange-0002'
+    ,'constrain'
+    ,TRUE
+    ,FALSE);