Here' what you will need tpo get trmporary residency and the DNI:
MIGRANT WORKER REQUIREMENTS
DOCUMENTS TO SUBMIT:
a) IDENTITY: Identity Card, Passport or Certificate of Citizenship with photo, originals. These documents must be in force and in good condition and submitted with a full set of copies including blank pages.
b) CERTIFICATE OF ARGENTINE CRIMINAL RECORDS Issued by the National Registry of Reoffend, or Federal Police. Only requires to those over 16 years.
c) CERTIFICATE OF LACK OF CRIMINAL RECORD issued by the competent authorities of the countries where they have resided for a period exceeding ONE (1) year, during the course of the last THREE (3) years. Only requires to those over 16 (sixteen) years.
d) AFFIDAVIT of lack of criminal record in other countries (it will be produce in migration at the time of application for residence). e) ENTRY. Country entry seal stamped to a travel document or migration card.
CERTIFICATE OF DOMICILE OR AN INVOICE OF ANY PUBLIC SERVICE WITHYOUR NAME (ABL, electricity, water or gas)
Settling tax: NON MERCOSUR $ 600
TWO 4X4 COLOR PHOTOS (It must be current, taken from the front, half bust, with the head completely uncovered, color, white even background, allowing appreciate faithfully and in all its fullness the holder's facial features when manage the procedure).
A) Labor pre-contract signed by the parties.
The pre-contract must specify:
Parties’ personal data, tasks to be performed by the foreigner, working hours, length of the labor relationship, address where the foreigner will work, remuneration to receive (it must comply with the collective bargaining agreement of the activity to be developed) and tax identification number (CUIT) of the employer.
If the employer was represented by a third party, must accompany the Power naming him.
The signatures must be certified by a notary public or before an agent of this National Direction when starting the application for residence. (In the sector report there is a model of a labor pre-contract)
B) Proof of employer's registration with the federal administration of public revenue (AFIP)
C) Proof of employer’s registration in the Single National Registry of Foreigner Applicant of the National Direction of Migration (NDM Regulation No.: 54618/08)
Note: within thirty (30) continuous days from the start of the residence application shall submit to the sector of receiving documentation, evidence of early register, issued by the federal administration of Public Revenue (AFIP) and signed by the employer.
THE RESIDENCE TO GIVE WILL BE TEMPORARY
IMPORTANT:
•All documents issued abroad must have the legalization of the Argentine Consulate, located in the country issuing the document Ministry of Foreign Affairs, International Trade and Worship, or Apostille, if the country has ratified the Hague Convention .
• Without detriment of that established on international agreements or conventions in force, any documents issued by consular representatives in the national territory must have the legalization of the Ministry of Foreign Affairs, International Trade and Worship, except MERCOSUR.
• All documents issued in a foreign language must have the Spanish translation made by National Public Translator (Section 6 Law No. 20.305) and legalized by the Translators' Association.
• The documents submitted should be original and be accompanied by their respective copy, in order to proceed to their certification. The National Direction of Migration may require, if deemed necessary, additional documentation to those detailed before.
Source:
http://www.migraciones.gov.ar/accesibleingles/?nomercosur_temporaria
The birth certificate is no longer required. If a translator tells you it is they are either unaware of this or are simply creating additional work for their own enrichment.