How to push a domain name? It is a procedure to change a domain name to another person. You'll be asked for some information during the process of account change. Every registrar has a different way to push the domain name. Here is the list of information for popular registrars.

DomainSite.com (http://www.domainsite.com/)
Account Code:

DomainTurnpike.com (http://domainturnpike.com/)
Customer # or login name:
Email:

Dotster.com (http://www.dotster.com/)
Account name:

Dropped.pl (http://www.dropped.pl/)
Email:

Dynadot.com (http://www.dynadot.com/)
Username:
Email:

Elb.com (http://www.elb.com/)
Customer Id:
Customer Username (Email):

eNom.com (http://www.enom.com/)
Login ID:

EuroDNS (http://www.eurodns.com/)
login:

Fabulous.com (http://www.fabulous.com/)
username:

GoDaddy.com (http://www.godaddy.com/)
Customer # or login name:
Email:

ImpressiveDomains.com (http://impressivedomains.com/)
Customer # or login name:
Email:

Mitsu.in (http://www.mitsu.in/)
Customer Id:
Customer Username (Email):

Moniker.com (http://www.moniker.com/)
Account Number:
Authorization Code:

MyDomain.com http://www.mydomain.com/)
Username:

Name.com (http://www.name.com/)
Account Code:

Namecheap.com (http://www.namecheap.com/)
user name:

RegisterBird.com (http://registerbird.com/)
Customer # or login name:
Email:

Star.RegisterBird.com (http://star.registerbird.com/)
Customer Id:
Customer Username (Email):

Manage.SnapNames.com (http://manage.snapnames.com/)
Account Number:
Authorization Code:

Stargate.com (http://domains.stargate.com/)
Customer Id:
Customer Username (Email):

Whiz.in (http://whiz.in/)
Customer Id:
Customer Username (Email):

WSDReg.com (http://www.wsdreg.com/)
Customer Id:
Customer Username (Email):