@Graham Hayes (grahamhayes)  :
source admin
openstack project list
+----------------------------------+--------------+
| ID                               | Name         |
+----------------------------------+--------------+
| 033e0ba037f248d780788181152e3372 | admin        |
| 4b8376e752a64620a3ae19a17c8270e3 | tenant1      |
| 4e7a7e1167064e14ae379d3c7b5664cc | demo         |
| f23e0a6f72c94308acd4f22f49bfae0e | tenant2      |
+----------------------------------+--------------+
using tenant1 creds :
source tenant1.creds
stack@user1:~$ openstack zone show t1.com.
+----------------+--------------------------------------+
| Field          | Value                                |
+----------------+--------------------------------------+
| action         | NONE                                 |
| attributes     | {}                                   |
| created_at     | 2016-10-03T06:29:14.000000           |
| description    | None                                 |
| email          | <email address hidden>                             |
| id             | 1ad8c8c9-bcb3-4fc9-a4ed-27c773232964 |
| masters        |                                      |
| name           | t1.com.                              |
| pool_id        | 794ccc2c-d751-44fe-b57f-8894c9f5c842 |
| project_id     | 4b8376e752a64620a3ae19a17c8270e3     |
| serial         | 1475476154                           |
| status         | ACTIVE                               |
| transferred_at | None                                 |
| ttl            | 3600                                 |
| type           | PRIMARY                              |
| updated_at     | 2016-10-03T06:29:34.000000           |
| version        | 2                                    |
+----------------+--------------------------------------+

stack@user1:~$ openstack zone transfer request create --target-project-id f23e0a6f72c94308acd4f22f49bfae0e 1ad8c8c9-bcb3-4fc9-a4ed-27c773232964
+-------------------+--------------------------------------------------------------------------------------------------------------+
| Field             | Value                                                                                                        |
+-------------------+--------------------------------------------------------------------------------------------------------------+
| created_at        | 2016-10-03T06:31:35.000000                                                                                   |
| description       | None                                                                                                         |
| id                | ac4817d5-0474-435e-8b17-bc8820a6b250                                                                         |
| key               | 6UQGDYHT                                                                                                     |
| links             | {u'self': u'https://172.168.90.5:9001/v2/zones/tasks/transfer_requests/ac4817d5-0474-435e-8b17-bc8820a6b250'} |
| project_id        | 4b8376e752a64620a3ae19a17c8270e3                                                                             |
| status            | ACTIVE                                                                                                       |
| target_project_id | f23e0a6f72c94308acd4f22f49bfae0e                                                                             |
| updated_at        | None                                                                                                         |
| zone_id           | 1ad8c8c9-bcb3-4fc9-a4ed-27c773232964                                                                         |
| zone_name         | None                                                                                                         |
+-------------------+--------------------------------------------------------------------------------------------------------------+
stack@user1:~$ openstack zone transfer request list
forbidden
stack@user1:~$ openstack zone transfer accept request --transfer-id ac4817d5-0474-435e-8b17-bc8820a6b250 --key 6UQGDYHT

forbidden

Now using tenant2 creds:
source tenant2.creds
stack@user1:~$ openstack zone transfer request list
forbidden
stack@user1:~$ openstack zone transfer accept request --transfer-id ac4817d5-0474-435e-8b17-bc8820a6b250 --key 6UQGDYHT
forbidden
stack@user1:~$ neutron net-create n2  --> For validating the tenant_id of the network and openstack project list.
Created a new network:
+-------------------------+--------------------------------------+
| Field                   | Value                                |
+-------------------------+--------------------------------------+
| admin_state_up          | True                                 |
| availability_zone_hints |                                      |
| availability_zones      |                                      |
| created_at              | 2016-10-03T06:34:42                  |
| description             |                                      |
| id                      | 44298d7f-b73d-4d3e-8396-d630f74a2c95 |
| ipv4_address_scope      |                                      |
| ipv6_address_scope      |                                      |
| mtu                     | 1450                                 |
| name                    | n2                                   |
| router:external         | False                                |
| shared                  | False                                |
| status                  | ACTIVE                               |
| subnets                 |                                      |
| tags                    |                                      |
| tenant_id               | f23e0a6f72c94308acd4f22f49bfae0e     |
| updated_at              | 2016-10-03T06:34:42                  |
+-------------------------+--------------------------------------+

Please let me know if anything missing.