L-2 Visa petitioner
 Two identical color photographs
 The visa applicant's passport
 ID Card
 Birth Certificate
 Household Register
 Personal resume

L-1 Petitioner:
 Copy of form I-797
 Credential of the position provided by U.S. company
 Supporting letter
 Documents that the L-1 petitioner can qualify his occupation.
 L-1A Petitioner: Evidences of Managerial Capacity in his position
 L-2B petitioner: Evidences of his capacity in the position abroad
 Working plan
 Payroll record
 
Supporting documents to testify relationship between L-1 visa applicant and L-2 visa applicant
 Marriage Certificate
 Photos of marriage and daily life
 Copies of I-797 forms and I-94 forms for traveling together
 A joint lease or other record that can prove the co-habitation
 Certificate of joint investment or joint account relation such as joint credit card and joint bank account