Allow me, the following is from the Pellarano & Herrera web site
www.phlaw.com.
"C. Principle that regulate the SDSS (Dominican System of Social Security)
a) Universality: by virtue of which the SDSS must protect all Dominicans and
every resident of the country .
D. System Affiliation:
The folowing people will enter the system:
e)
Foreign citizens with legal and permanent residence in the Dominican Republic.
A non-citizen, permanent Resident may collect. If you can show that you are already covered by a Social Security Plan in the country of your citizenship, you can be exempt from the Dominican Plan.
Hope this helps.