Section 13.611 - Requirements to qualify for an STCW endorsement for basic liquefied gas tanker cargo operations(a) Every applicant for an endorsement in basic liquefied gas tanker operations must: (1) Qualify for a national endorsement as tankerman-assistant liquefied gas; and(2) Provide evidence of meeting the standards of competence identified in Table A-V/1-2-1 of the STCW Code (incorporated by reference, see § 13.103 of this part).(b)Grandfathering. Seafarers holding a valid tankerman-assistant liquefied gas or tankerman-engineer endorsement issued prior to March 24, 2014, will be issued an STCW endorsement for basic liquefied gas tanker cargo operations without meeting the requirements of paragraph (a) of this section. After March 24, 2014, all seafarers applying for an original endorsement in basic liquefied gas tanker operations must meet the requirements of this section.