Interpreting 2015 Street 13.3 Tires

nismosis

Basically, can I run my leftover/last year 140 UTQG R-S3s in Street this year, or do I need to pony up for version deuce?

13.3.B
4. Material Change: Tires which previously met the eligiblity requirements
that undergo a significant compound change, tread pattern
change, or other significant redesign reset the requirement for eligibility
described in Section 13.3.B.
5. A tire model which was previously allowed by these rules continues to
be eligible for competition until specifically disallowed.
6. Reintroduction: Models that were once discontinued will be considered
a new model once reintroduced and must meet all the requirements
of Section 13.3.