Hello Yasen,
There is a small company /ISP/ that wants PI IPs to be independent of upstream providers. The company would not make sub-allocation and will only provide its customers with addresses for Internet access, but these IPs will be the company's infrastructural addresses. The company will use DHCP pool to distribute the addresses to its customers, these will be its own infrastructure addresses and not to the customers /they may receive every time different addresses/.
Can that company receive PI IPv6 considering the policy?
With IPv6 you don't give every user one IP address (which would be your infrastructure), but you usually assign them a block of addresses. For making assignments to end-users you need a PA block. And: there is no 'your infrastructure' rule for IPv6. That is only defined for IPv4. This difference has been discussed in the past, and the conclusion was that this difference is intentional. Does anyone feel that this should be re-evaluated? In short: if you provide IPv6 access services to customers you will need to become an LIR and get an IPv6-PA block. I hope this clarifies things for you, Sander