As soon as possible. You will have to file an amendment to the existing order. This service may be available by mail. You want to make sure you have proof of custody such as school and/or medical records, daycare expenses etc. You may also be able to have this taken care of by a Court in California and have them contact the court services in Texas for you. It may take longer but this way a court official may be able to verify the child is in your possession.
Usually, yes; however, some parents with joint custody pay support.
yes
Not without a a first right of refusal in the current custody orders, or custody modification
Yes, they do.
Yes, being granted full custody does not relieve the other parent of their financial obligations to the child(ren).
If both of the parents have a joint legal custody arrangement, you have to give the noncustodial parent that information. If you have sole custody of the child, you do not have to share that information with the noncustodial parent.
To do anything possible to get joint physical custody.
Not as long as it doesn't interfere with the access rights.
Alimony to the non-custodial parent may still be ordered; depends on the circumstances. Child support payments are based on both the needs of the child and the ability of the parent to provide them.
Physical custody is based upon your ability to provide for your child's emotional, physical, mental and financial needs. Failure to financially provide for the child when you are the noncustodial parent shows unwillingness or inability to provide financially for him/her.
Whether or not the noncustodial parent has the right to take custody of the minor children if the custodial parent is incarcerated depends on the specific circumstances and any existing court order or custody agreement. In general, it is recommended for the noncustodial parent to consult with a family law attorney and go through the appropriate legal channels to modify or establish custody arrangements during the custodial parent's incarceration.
Fathers are frequently ordered to do so there, despite having primary custody. see link below